Compaq AP500 User Manual
Professional Workstation AP500  
Maintenance and Service Guide  
Second Edition (March 1999)  
Part Number 338534-002  
Spares Part Number 338561-001  
Compaq Computer Corporation  
iii  
Contents  
About This Guide  
Text Conventions.......................................................................................................................vii  
Symbols in Text........................................................................................................................viii  
Symbols on Equipment.............................................................................................................viii  
Where to Go for Additional Help ...............................................................................................ix  
Other Information Sources ..................................................................................................ix  
Telephone Numbers.............................................................................................................ix  
Chapter 1  
Illustrated Parts Catalog  
Mechanical Parts ......................................................................................................................1-1  
System Components .................................................................................................................1-2  
Spares Parts List .......................................................................................................................1-3  
Chapter 2  
Service Preliminaries  
Compaq Technician Notes........................................................................................................2-1  
Preliminary Warnings and Cautions .........................................................................................2-2  
Electrostatic Discharge Information .........................................................................................2-3  
Equipment Symbols..................................................................................................................2-3  
Tools and Software Requirements............................................................................................2-4  
Warranty Information...............................................................................................................2-4  
Chapter 3  
Removal and Replacement Procedures  
Serial Number...........................................................................................................................3-1  
Service Preparations .................................................................................................................3-2  
Cable Lock ...............................................................................................................................3-3  
Workstation Feet.......................................................................................................................3-4  
Side Access Panel.....................................................................................................................3-5  
Front Bezel ...............................................................................................................................3-6  
Blank Drive Bezel ....................................................................................................................3-7  
EMI/Cooling Shield..................................................................................................................3-8  
Speaker.....................................................................................................................................3-9  
I/O Bracket Assembly ............................................................................................................3-10  
Replacing the I/O Bracket Assembly...............................................................................3-11  
Expansion Boards...................................................................................................................3-12  
Identifying the PCI and ISA Expansion Slots..................................................................3-12  
Removing a PCI or ISA Expansion Board ......................................................................3-14  
Removing a Symbios Wide Ultra2 PCI SCSI Controller ................................................3-15  
Removing the Accelerated Graphics Port (AGP) Graphics Controller............................3-16  
Removing the Card Guide ...............................................................................................3-17  
Removing the Backplane Board ......................................................................................3-18  
System Fan .............................................................................................................................3-19  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
iv  
Removal and Replacement Procedures continued  
Mass Storage Devices.............................................................................................................3-21  
Drive Positions ................................................................................................................3-21  
Hardware Screws.............................................................................................................3-23  
CD-ROM Drive or DVD-ROM Drive.............................................................................3-24  
Diskette Drive .................................................................................................................3-26  
Removing a 7200 rpm Hard Drive from Bays 5 or 6.......................................................3-28  
Removing a 10,000-rpm Hard Drive from Bays 5 or 6 ...................................................3-31  
Removing the Fan from a Hard Drive Installed in Bays 5 or 6 ......................................3-35  
Removing a Hard Drive from the Removable Hard Drive Cage.....................................3-37  
Installing a Hard Drive in the Removable Hard Drive Cage ...........................................3-39  
SCSI Cables and Guidelines...................................................................................................3-41  
SCSI Cables.....................................................................................................................3-41  
SCSI Guidelines for Installing SCSI Devices..................................................................3-42  
SCSI Guidelines for Optimizing Performance ................................................................3-42  
System Board Assembly.........................................................................................................3-43  
System Board with Tray and Cage ..................................................................................3-43  
System Board Components..............................................................................................3-45  
Dual Inline Memory Modules (DIMMs).........................................................................3-46  
Important Guidelines for DIMM Installation ..................................................................3-46  
Removing a DIMM .........................................................................................................3-47  
Processor and Heatsink Assembly..........................................................................................3-48  
Processor Power Module.................................................................................................3-49  
Primary Processor Power Module Cable Insulator..........................................................3-50  
External Battery......................................................................................................................3-51  
Running Computer Setup ................................................................................................3-51  
Installing the Battery .......................................................................................................3-52  
Power Switch Cable Assembly...............................................................................................3-54  
Power Supply..........................................................................................................................3-55  
Chapter 4  
Diagnostic Tools  
Power-On Self-Test (POST).....................................................................................................4-2  
POST Messages........................................................................................................................4-3  
Troubleshooting Minor Problems.............................................................................................4-7  
Power Problems.................................................................................................................4-8  
Diskette Drive Problems....................................................................................................4-9  
Display Problems ............................................................................................................4-10  
Printer Problems..............................................................................................................4-11  
Hard Drive Problems.......................................................................................................4-12  
Hardware Installation Problems ......................................................................................4-13  
CD-ROM Drive and DVD-ROM Drive Problems ..........................................................4-14  
Memory Problems...........................................................................................................4-15  
SCSI Problems ................................................................................................................4-15  
Network Problems...........................................................................................................4-16  
Audio Hardware Conflicts...............................................................................................4-18  
v
Diagnostic Tools continued  
Compaq Setup and Diagnostics Utilities.................................................................................4-19  
Accessing the Compaq Utilities Menu ............................................................................4-19  
Creating a Diagnostics Diskette.......................................................................................4-20  
Computer Setup...............................................................................................................4-21  
Computer Checkup (TEST).............................................................................................4-23  
View System Information (INSPECT)............................................................................4-24  
Managing a Diagnostics Partition....................................................................................4-25  
Diagnostic Error Codes...........................................................................................................4-25  
Microprocessor................................................................................................................4-26  
Memory...........................................................................................................................4-27  
Keyboard.........................................................................................................................4-27  
Printer..............................................................................................................................4-28  
Diskette Drive .................................................................................................................4-28  
Serial Port........................................................................................................................4-29  
Modem ............................................................................................................................4-29  
Pointing Device ...............................................................................................................4-29  
CD-ROM Drive (IDE).....................................................................................................4-30  
Tape Drive.......................................................................................................................4-30  
Video...............................................................................................................................4-31  
Audio...............................................................................................................................4-33  
Network Interface............................................................................................................4-33  
SCSI Error Codes ...................................................................................................................4-34  
Upgrading the ROM ...............................................................................................................4-37  
Local ROM Upgrade.......................................................................................................4-37  
Remote ROM Flash.........................................................................................................4-38  
FailSafe Boot Block ROM......................................................................................................4-39  
Compaq Insight Manager .......................................................................................................4-41  
Compaq Workstation SSD for Windows NT..........................................................................4-42  
Remote Capability...........................................................................................................4-42  
Silent Setup Command Line Interface.............................................................................4-42  
Compaq Diagnostics for Windows NT...................................................................................4-43  
Chapter 5  
System Security  
Security Features ......................................................................................................................5-1  
Password Security .............................................................................................................5-2  
Windows NT Workstation Password.................................................................................5-6  
National Keyboard Delimiter Characters ..........................................................................5-6  
Advanced Security Management..............................................................................................5-7  
Re-enabling Diskette Boot or Diskette Write ....................................................................5-7  
Re-enabling a Serial Port or Parallel Port..........................................................................5-8  
QuickLock/QuickBlank.....................................................................................................5-8  
Cable Lock Provision ........................................................................................................5-9  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
vi  
Chapter 6  
Jumper and Switch Information  
Battery Jumpers........................................................................................................................6-2  
Switch Settings .........................................................................................................................6-3  
Hard Drives ..............................................................................................................................6-4  
32X Max CD-ROM Drive (IDE)..............................................................................................6-4  
PowerStorm 300/AGP Graphics Controller..............................................................................6-5  
Chapter 7  
Physical and Operating Specifications  
System Unit ..............................................................................................................................7-2  
325W Power Supply.................................................................................................................7-7  
Diskette Drive...........................................................................................................................7-8  
Zip Drive ..................................................................................................................................7-9  
CD-ROM Drive......................................................................................................................7-10  
DVD-ROM Drive...................................................................................................................7-12  
Hard Drives ............................................................................................................................7-14  
Audio System .........................................................................................................................7-19  
Keyboard ................................................................................................................................7-19  
Mouse.....................................................................................................................................7-20  
Graphics Controllers...............................................................................................................7-21  
Network Controller.................................................................................................................7-25  
RJ-45 Network Cable Specifications......................................................................................7-25  
Chapter 8  
External Connectors  
Physical Location .....................................................................................................................8-1  
Pin Assignments .......................................................................................................................8-3  
Index  
vii  
About This Guide  
This guide is designed to be used as step-by-step instructions for installation, and as a reference for  
operation, troubleshooting, and future upgrades.  
WARNING: Only authorized technicians trained by Compaq should attempt to  
repair this equipment. All troubleshooting and repair procedures are detailed to  
allow only subassembly/module level repair. Because of the complexity of the  
individual boards and subassemblies, no one should attempt to make repairs at  
the component level or make modifications to any printed wiring board. Improper  
repairs can create a safety hazard. Any indications of component replacement or  
printed wiring board modifications may void any warranty.  
WARNING: To reduce the risk of personal injury from electrical shock and  
hazardous energy levels, only authorized service technicians should attempt to  
repair this equipment. Improper repairs could create conditions that are  
hazardous.  
IMPORTANT: The installation of options and servicing of this product should be performed  
by individuals that are knowledgeable of the procedures, precautions, and hazards  
associated with equipment containing hazardous energy circuits.  
Text Conventions  
This document uses the following conventions to distinguish elements of text:  
Keys  
Keys appear in boldface. A plus sign (+) between two  
keys indicates that they should be pressed simultaneously.  
USER INPUT  
FILENAMES  
User input appears in a different typeface and in  
uppercase.  
File names appear in uppercase italics.  
These appear in initial capital letters.  
Menu Options,  
Command Names,  
Dialog Box Names  
COMMANDS,  
These always appear in uppercase.  
DIRECTORY NAMES,  
and DRIVE NAMES  
Type  
When you are instructed to type information, type the  
information without pressing the Enter key.  
Enter  
When you are instructed to enter information, type the  
information and then press the Enter key.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
viii  
Symbols in Text  
These symbols may be found in the text of this guide. They have the following meanings.  
WARNING: Indicates that failure to follow directions in the warning could result in  
bodily harm or loss of life.  
!
CAUTION: Indicates that failure to follow directions could result in damage to  
equipment or loss of information.  
IMPORTANT: Presents clarifying information or specific instructions.  
NOTE: Presents commentary, sidelights, or interesting points of information.  
Symbols on Equipment  
These icons may be located on equipment in areas where hazardous conditions may exist.  
Any surface or area of the equipment marked with these symbols  
indicates the presence of electrical shock hazards. Enclosed area  
contains no operator serviceable parts.  
WARNING: To reduce risk of injury from electrical shock hazards, do  
not open this enclosure.  
Any RJ-45 receptacle marked with these symbols indicates a Network  
Interface Connection.  
WARNING: To reduce risk of electrical shock, fire, or damage to the  
equipment, do not plug telephone or telecommunications connectors  
into this receptacle.  
Any surface or area of the equipment marked with these symbols  
indicates the presence of a hot surface or hot component. If this  
surface is contacted, the potential for injury exists.  
WARNING: To reduce the risk of injury from a hot component, allow  
the surface to cool before touching.  
ix  
Where to Go for Additional Help  
Major sources of additional information are listed below.  
Other Information Sources  
In addition to this guide, the following information sources are available:  
■
■
■
■
■
■
■
User Documentation  
Compaq Service Quick Reference Guide  
Service Training Guides  
Compaq Service Advisories and Bulletins  
Compaq QuickFind  
Compaq Insight Manager  
Compaq Download Facility: Call 1-281-518-1418.  
Telephone Numbers  
For the name of your nearest Compaq Authorized Reseller:  
In the United States, call 1-800-345-1518.  
In Canada, call 1-800-263-5868.  
For Compaq technical support:  
In the United States and Canada, call 1-800-OK-COMPAQ (For continuous quality improvement,  
calls may be recorded or monitored.)  
For Compaq technical support phone numbers outside the United States and Canada, visit the  
Compaq website at:  
www.compaq.com  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
1-1  
Chapter 1  
Illustrated Parts Catalog  
This chapter provides an illustrated parts breakdown and a reference for spare parts for the  
Compaq Professional Workstation AP500.  
Mechanical Parts  
49  
24  
11  
100  
6
12  
100  
9
2
10  
4
98  
1
Figure 1-1. Exploded view of the Compaq Professional Workstation AP500 mechanical parts  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
1-2 Illustrated Parts Catalog  
System Components  
87  
52  
98  
32  
23  
74  
7
13  
50  
3
51  
19 20  
5
44 45  
14  
22  
33  
42  
26  
11  
66  
8
17  
16  
Figure 1-2. Exploded view of the Compaq Professional Workstation AP500 system components  
1-3  
Spares Parts List  
Parts or components marked with an asterisk (*) are not illustrated.  
Table 1-1  
Compaq Professional Workstation AP500  
Spares Parts List  
Reference  
MECHANICAL  
Description  
Spares Part #  
1
2
Side Access Panel  
329263-001  
Front Bezel  
338549-001  
338563-001  
329265-001  
338513-001  
338565-001  
338557-001  
328730-001  
338559-001  
329264-001  
338547-001  
3
I/O Bracket (Expansion Board Assembly)  
4
Blank Drive Bezel (part of the Miscellaneous Plastic Kit)  
5
Backplane Board  
6
Hood  
7
Removable Hard Drive Cage  
8
Speaker  
9
EMI/Cooling Shield (part of the Miscellaneous Hardware Kit)  
10  
11  
Workstation Feet  
Chassis  
SYSTEM  
12  
13  
14  
15  
16  
17  
18  
19  
System Fan (fan bracket included in Miscellaneous Hardware Kit)  
Power Supply, 325W  
338558-001  
328563-001  
402124-001  
338548-001*  
327648-001  
328785-001  
116402-001*  
329267-001  
System Board with Tray 400-, 450-, 500-MHz  
System Board with Tray 400-, 450-MHz  
Intel Pentium II Processor, 400/100 MHz, 512K with heatsink  
Intel Pentium II Processor, 450/100 MHz, 512K with heatsink  
Intel Pentium III Processor, 500/100 Mhz, 512K with heatsink  
Processor Power Module (Voltage Regulator Module)  
For 350/400/450/500 MHz CPU  
20  
21  
Processor Power Module (Voltage Regulator Module)  
For 350/400/450 MHz CPU  
327660-001  
199109-001*  
Lock Security Bracket  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
1-4 Illustrated Parts Catalog  
Compaq Professional Workstation AP500 Spares Parts List Continued  
Reference  
Description  
Spares Part #  
160274-001  
22  
External Battery  
23  
24  
Expansion Board Slot Cover  
141081-001  
329270-001  
Power Switch and LEDs with Cable  
MEMORY  
25  
32-MB Memory Module (Registered 100-MHz SDRAM)  
64-MB Memory Module (Registered 100-MHz SDRAM)  
128-MB Memory Module (Registered 100-MHz SDRAM)  
256-MB Memory Module (Registered 100-MHz SDRAM)  
317747-001*  
317745-001  
317756-001*  
317749-001*  
26  
27  
28  
MASS STORAGE  
29  
30  
31  
32  
33  
34  
35  
4.3-GB Wide Ultra2 SCSI Hard Drive 7200 rpm  
4.3-GB Wide Ultra2 SCSI Hard Drive 10,000 rpm  
9.1-GB Wide Ultra2 SCSI Hard Drive 7200 rpm  
9.1-GB Wide Ultra2 SCSI Hard Drive 10,000 rpm  
18-GB Wide Ultra2 SCSI Hard Drive 10,000 rpm  
4.3-GB Wide-Ultra SCSI Hard Drive, 7200 rpm  
4.3-GB Wide-Ultra SCSI Hard Drive, 10,000 rpm  
349533-001*  
386538-001*  
349534-001*  
386539-001  
386540-001  
339514-001*  
336383-001*  
386539-001*  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
9.1-GB Wide-Ultra SCSI Hard Drive 7200 rpm  
9.1-GB Wide-Ultra SCSI Hard Drive 10,000 rpm  
18-GB Wide-Ultra SCSI Hard Drive 10,000 rpm  
6.4-GB Ultra ATA Hard Drive  
339515-001*  
336384-001*  
336385-001*  
166973-001*  
330520-001*  
114009-001*  
179161-001  
401624-001*  
327659-001  
105771-001  
340593-001*  
10-GB Ultra ATA Hard Drive, 7200 rpm  
Symbios Wide Ultra2 PCI SCSI Controller  
1.44-MB Diskette Drive  
100-MB Zip Drive  
32X Max CD-ROM Drive (IDE)  
DVD-ROM Drive  
12/24-GB DAT Drive  
Continued  
1-5  
Compaq Professional Workstation AP500 Spares Parts List Continued  
Reference  
Description  
Spares Part #  
47  
4/8-GB SLR Drive  
340591-001*  
48  
49  
Hard Drive Mounting Bracket (Bays 5 and 6)  
243231-001*  
329266-001  
Fan and Cable for >7200 rpm Hard Drives Installed in Bay 5 or 6  
CABLE KITS  
50  
51  
52  
53  
Miscellaneous Signal Cable Kit (CD-ROM Drive, HD, Diskette, Audio)  
SCSI cable, wide  
327649-001  
338546-001  
402222-001  
189638-001*  
Wide Ultra2 SCSI cable  
SCSI adapter, 50- to 68-Pin (internal)  
KEYBOARD AND MOUSE  
54  
55  
Keyboard  
269513-001*  
327716-001*  
3-Button Mouse  
MONITOR  
56  
57  
58  
59  
60  
61  
62  
P75 Monitor  
307815-xxx*  
307713-xxx*  
305602-xxx*  
303502-xxx*  
305710-xxx*  
284959-xxx*  
V75 Monitor  
V90 Color Monitor  
P900 Color Monitor  
P1610 Monitor  
P110 Monitor  
TFT 5000:  
Opal, TS, NA, TC099  
115714-001*  
115712-001*  
Carbon, TS, NA, TC099  
63  
TFT 8000:  
Opal, no protective panel, TC095, WW  
Opal, with protective panel, TC095, WW  
Carbon, no protective panel, TC095, WW  
Carbon, with protective panel, TC095, WW  
307911-001*  
102358-B24*  
102359-B24*  
102356-B24*  
64  
65  
TFT 450: Order TFT 450 spare part from the TFT 450 guide  
(PN 170431-001)*  
TFT 500: Order TFT 500 spare part from the TFT 500 guide  
(PN 285012-001)*  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
1-6 Illustrated Parts Catalog  
Compaq Professional Workstation AP500 Spares Parts List Continued  
Reference  
Description  
Spares Part #  
GRAPHICS  
66  
GLoria Synergy+ Graphics Controller 4-MB (AGP)  
GLoria Synergy+ 4-MB Memory Upgrade  
327599-001  
67  
327600-001*  
298796-001*  
338539-001*  
294409-001*  
386047-001*  
101239-001*  
68  
GLoria Synergy+ 8 MB (PCI) Graphics Controller  
PowerStorm 300 Graphics Controller (AGP)  
69  
70  
Matrox Millennium G200 Graphics Controller  
Matrox Millennium G200 8-MB Memory Upgrade  
Matrox Productiva G100 Multi-Monitor Series Graphics Controller  
71  
72  
CONTROLLERS  
73  
Compaq SMART-2SL Array Controller  
Dual-Channel SCSI Controller  
242777-001*  
295626-001*  
74  
COMMUNICATIONS  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
Netelligent 16/4 TR PCI IBM UTP/STP Controller  
Netelligent 16/4 TR PCI UTP/STP Controller  
Netelligent 10 T/2 PCI UTP/Coax Controller  
Netelligent 10 T/2 ISA UTP/Coax Controller  
Netelligent 100 FDDI PCI SAS Fiber-SC  
Netelligent 100 FDDI PCI DAS Fiber-UTP  
Netelligent 100 FDDI PCI SAS Fiber-UTP  
Netelligent 100 FDDI PCI SAS Fiber-MIC  
Netelligent 56K PCI Fax Modem  
301210-001*  
268010-001*  
292857-001*  
265618-001*  
242506-002*  
242506-003*  
242506-004*  
242506-005*  
321510-B21*  
294912-001*  
317453-001*  
317606-001*  
317358-001  
323556-001*  
Netelligent 56K ISA Fax Modem  
Compaq Fast Ethernet NIC NC3122  
Compaq Fast Ethernet NIC NC3120  
Compaq Ethernet NIC NC1120  
Compaq Fast Ethernet NIC NC3161  
Continued  
1-7  
Compaq Professional Workstation AP500 Spares Parts List Continued  
Reference Description  
SOFTWARE  
Spares Part #  
89  
Magellan Driver CD  
Spaceball Driver CD  
297863-001*  
90  
298033-001*  
275573-xxx*  
91  
Microsoft Windows NT Workstation 4.0 CD  
Compaq SmartStart for Workstations CD  
Systems ROMPaq  
92  
275574-xx3/xx2(SP)*  
275595-001*  
275575-xxx*  
93  
94  
Compaq Setup and Compaq Diagnostics for Workstations Diskette  
MISCELLANEOUS  
95  
96  
97  
98  
Magellan 3D Pointing Device (spacemouse)  
Spaceball 3D Pointing Device  
297645-001*  
297644-001*  
294122-xxx*  
329265-001  
Compaq Multimedia Sound System (US)  
Miscellaneous Plastic Kit (includes baffles*, card guide and  
blank drive bezel)  
99  
Heatsink Bridge  
327658-001*  
100  
Miscellaneous Hardware Kit (includes EMI/Cooling Shield and System Fan 338559-001  
Bracket)  
101  
Rack Mounting Kit  
338556-001*  
329268-001*  
329268-002*  
270229-001*  
102  
Shipping Box with Buns (US)  
Shipping Box with Buns (INTL)  
SCSI Adapter, 68- to 50-Pin (external)  
103  
104  
DOCUMENTATION  
105  
106  
107  
Maintenance and Service Guide  
338561-001*  
338560-001*  
162212-001*  
Illustrated Parts Map  
Service Quick Reference Guide (revision -038 or later)  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
2-1  
Chapter 2  
Service Preliminaries  
This chapter identifies the following service considerations:  
■
■
■
■
■
Preliminary warnings and cautions  
Electrostatic discharge information  
Equipment symbols  
Tools and software requirements  
Warranty information  
IMPORTANT: Adherence to the procedures and precautions described in this chapter is  
essential for proper service.  
Compaq Technician Notes  
WARNING: To reduce the risk of personal injury from electrical shock and  
hazardous energy levels, do not exceed the level of repair specified in these  
procedures. Because of the complexity of the individual boards and  
subassemblies, do not attempt to make repairs at the component level or make  
modifications to any printed wiring board. Improper repairs could create conditions  
that are hazardous.  
WARNING: To reduce the risk of electric shock or damage to the equipment:  
Disconnect power from the computer by unplugging the power cord from either  
the electrical outlet or the computer.  
Do not disable the power cord grounding plug. The grounding plug is an important  
safety feature.  
Plug the AC adapter or power cord into a grounded (earthed) electrical outlet that  
is easily accessible at all times.  
CAUTION: To properly ventilate the system, you must provide at least 6 inches  
(15 cm) of clearance at the front of the workstation and 3 inches (7.6 cm) at the  
back.  
IMPORTANT: Any indication of repair at the component level or modification of a printed  
wiring board may void any warranty.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
2-2 Service Preliminaries  
Preliminary Warnings and Cautions  
The following should be noted when operating or servicing the Compaq Professional  
Workstation AP500:  
WARNING: To reduce the risk of electric shock or damage to the equipment:  
■ Disconnect power from the system by unplugging all power cords  
from either the electrical outlet or the Compaq Professional  
Workstation AP500.  
■ Do not disable the power cord grounding plug. The ground plug is  
an important safety feature.  
■ Plug the power cord into a grounded (earthed) electrical outlet that  
is easily accessible at all times.  
WARNING: To reduce the risk of personal injury from hazardous energy levels,  
only authorized service technicians should attempt to repair this equipment.  
Because of the complexity of the individual boards and subassemblies, no one  
should attempt to make repairs at the component level or to make modifications to  
any printed wiring board. Improper repairs can create a safety hazard.  
CAUTION: The power supply in the Compaq Professional Workstation AP500 has  
an auxiliary power section. This section is always active as long as the unit is  
plugged into a live AC outlet. Be sure to turn off the switch and unplug the power  
cord before performing any service work.  
CAUTION: To properly ventilate the system, you must provide at least 6 inches  
(15 cm) of clearance at the front of the workstation and 3 inches (7.6 cm) at the  
back.  
IMPORTANT: Any indications of component replacement or printed wiring board  
modifications may void any warranty.  
2-3  
Electrostatic Discharge Information  
A discharge of static electricity can damage static-sensitive devices or micro-circuitry. Proper  
packaging and grounding techniques are necessary precautions to prevent damage. To prevent  
electrostatic damage, observe the following precautions:  
■
■
■
Transport products in static-safe containers (conductive tubes, bags, or boxes).  
Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations.  
Cover workstations with approved static-dissipating material. Provide a wrist strap  
connected to the work surface and properly grounded tools and equipment.  
■
■
Keep work area free of non-conductive materials such as ordinary plastic assembly aids  
and foam packing.  
Be sure you are always properly grounded when touching a static-sensitive component or  
assembly.  
■
■
■
Avoid touching pins, leads, or circuitry.  
Always place drives PCB assembly-side down.  
Use conductive field service tools.  
Equipment Symbols  
The following symbols are located on applicable components of the workstation and should be  
observed when servicing the workstation to avoid personal injury or damage to the components:  
WARNING: Any surface or area of the equipment marked with these  
symbols indicates the presence of a hot surface or hot component. If this  
surface is contacted, the potential for injury exists. To reduce risk of  
injury from a hot component, allow the surface to cool before touching.  
WARNING: Any surface or area of the equipment marked with these  
symbols indicates the presence of electrical shock hazards. Enclosed  
area contains no operator serviceable parts. To reduce risk of injury from  
electrical shock hazards, do not open this enclosure.  
WARNING: Any RJ-45 receptacle marked with these symbols  
indicates a Network Interface Connection. To reduce risk of electrical  
shock, fire, or damage to the equipment, do not plug telephone or  
telecommunications connectors into this receptacle.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
2-4 Service Preliminaries  
Tools and Software Requirements  
To service the workstation, you might need:  
■
■
■
■
Torx T-10 screwdriver  
Torx T-15 screwdriver  
Flat-blade screwdriver  
Compaq Setup and Diagnostics Utility  
IMPORTANT: Prior to servicing the workstation, be sure the drivers from the latest Compaq  
Workstation SSD for Windows NT are installed. See Chapter 4 for installation procedures.  
Warranty Information  
The following warranties come standard with the workstation:  
■
Standard Warranty—a three-year limited warranty that covers three years on parts, one  
year on labor carry-in, and one year of onsite service  
■
Pre-Failure Warranty—a special warranty that extends the Compaq three-year limited  
warranty by applying it to critical system components before they fail. This warranty  
ensures that when you receive notification of a pre-failure condition through Compaq  
Insight Manager or the Windows NT Event Log, the component is replaced under  
warranty.  
NOTE: For more information about Compaq Insight Manager, see Chapter 4.  
The Pre-Failure Warranty covers the following workstation components:  
❏
❏
❏
❏
SCSI hard drives  
Error Correcting Code (ECC) memory  
Pentium II processor  
Pentium III Processor  
In addition to the above warranties, an optional Extended Warranty is available. If purchased,  
this warranty extends the Standard Warranty’s one year coverage for labor and onsite service for  
two additional years.  
IMPORTANT: Observe all warnings and cautions provided herein. Failure to do so may  
void warranty for damaged components.  
3-1  
Chapter 3  
Removal and Replacement Procedures  
This chapter provides subassembly/module-level removal and replacement procedures for the  
Compaq Professional Workstation AP500.  
After completing all necessary removal and replacement procedures, run the Compaq Setup and  
Diagnostics program to verify that all components are operating properly.  
Serial Number  
Provide the computer serial number to Compaq whenever you request information or order spare  
parts. The serial number is located on the top right side of the workstation 1 and also on the rear  
of the chassis 2.  
For asset control, the serial number is also embedded in the EPROM on the system board. If the  
system board is replaced with a spare part from Compaq, an invalid serial number condition will  
be reported during POST. To clear the condition, use Compaq Softpaq SP8410. It is located at:  
http://www.compaq.com/support/files/workstations/us/software/674.html.  
NOTE: If a system board from another workstation is installed, POST recognizes the serial  
number as a valid number.  
1
2
Figure 3-1. Identifying serial number locations  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-2 Removal and Replacement Procedures  
Service Preparations  
CAUTION: The power supply in the Compaq Professional Workstation AP500 has  
an auxiliary power section. This section is always active as long as the unit is  
plugged into a live AC outlet. Be sure to turn off the switch and unplug the power  
cord before performing any service work.  
CAUTION: Electrostatic discharge can damage electronic components. Be sure  
you are properly grounded before beginning any installation procedure. See  
“Electrostatic Discharge Information” in Chapter 2 for more information.  
Before beginning any of the removal and replacement procedures, complete the following steps:  
1. Turn off the workstation.  
2. Disconnect the power cord from the grounded AC outlet and then from the workstation.  
3. Turn off all peripheral devices and disconnect cables from the rear of the workstation.  
4. Remove the cable lock in order to access internal components. See the following section  
for instructions on how to remove the cable lock.  
3-3  
Cable Lock  
The workstation comes standard with a cable lock provision for attaching a padlock and/or cable  
lock. If installed, the locks must be removed before accessing internal components.  
To remove the lock:  
1. Unlock and remove the cable lock and/or the padlock 1.  
2. Remove the security bracket (plate) seated over the cable lock bracket 2.  
3. Unfasten the retaining screw to release the cable lock bracket 3.  
1
3
2
Figure 3-2. Removing the padlock  
NOTE: In some of the removal procedures in this chapter, you will be asked to remove the  
workstation feet and lay the workstation on its side when servicing some of the internal  
components.  
NOTE: For more information on preparing the workstation for service, see Chapter 2.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-4 Removal and Replacement Procedures  
Workstation Feet  
NOTE: Not all procedures in this chapter require the removal of the workstation feet. Be sure to  
thoroughly read each removal and replacement procedure before attempting to access the  
workstation’s internal components.  
To remove the workstation feet:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the screws that secure the feet.  
3. Remove the feet.  
Figure 3-3. Removing the workstation feet  
4. To replace the feet, reverse the above procedure.  
IMPORTANT: Compaq recommends that you perform certain removal and replacement  
procedures with the workstation laying on its side. Refer to each procedure for instructions.  
3-5  
Side Access Panel  
CAUTION: Do not operate the workstation with the side access panel removed.  
The panel is an integral part of the cooling system; removing it while the system is  
operating may adversely affect data integrity.  
To remove the side access panel:  
1. Perform the service preparations shown on page 3-2.  
2. Loosen the four rear panel thumbscrews, then slide the side access off.  
Figure 3-4. Loosening the thumbscrews and removing the side access panel  
WARNING: To reduce the risk of personal injury from hot surfaces, allow the  
internal system components to cool before touching.  
IMPORTANT: When replacing the side access panel, be sure to tighten all four  
thumbscrews.  
NOTE: The hood label attached to the inside of the side access panel provides system  
configurations and the installation of additional components.  
To replace the side access panel:  
1. Be sure all grounding clips and EMI gaskets (shielding strips) are in place.  
2. Slide the side access panel in at an angle on one side, drop it into place, then slide it into  
the unit completely.  
3. Tighten the rear panel thumbscrews.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-6 Removal and Replacement Procedures  
Front Bezel  
To remove the front bezel:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the side access panel.  
3. Push the front bezel release latches 1 and remove the bezel 2.  
1
2
Figure 3-5. Removing the front bezel  
To replace the front bezel:  
1. Line up the hinges and release latches with the appropriate slots on the front of the  
chassis.  
2. Press the bezel in to secure the release latches.  
3-7  
Blank Drive Bezel  
To remove a blank drive bezel:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Remove the screws that secure the blank drive bezel to the front bezel.  
Figure 3-6. Removing a blank drive bezel  
To replace a blank drive bezel, reverse the above procedure.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-8 Removal and Replacement Procedures  
EMI/Cooling Shield  
An EMI/cooling shield covers bays 5 and 6 to provide proper cooling and EMI protection.  
To remove an EMI/cooling shield:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Remove the two screws that connect the EMI/cooling shield to the drive cage.  
4. Remove the EMI/cooling shield from the drive slot.  
COMPACT  
Figure 3-7. Removing the EMI/cooling shield  
To replace the EMI/cooling shield, reverse the above procedure.  
IMPORTANT: You must replace the shield after a hard drive is installed in the bay.  
3-9  
Speaker  
To remove the speaker:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the side access panel.  
3. Unplug the speaker connector from the system board 1, and remove the cable from the  
clip.  
4. Remove the four T-15 screws securing the front of the speaker to the chassis 2.  
5. Remove the speaker from the workstation by sliding it back, then lifting it up and out of  
the chassis 3.  
1
2
3
1
Figure 3-8. Removing the speaker  
To replace the speaker, reverse the above procedure.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-10 Removal and Replacement Procedures  
I/O Bracket Assembly  
The I/O bracket assembly (expansion board assembly) contains a backplane board (also called a  
riser card), card guide, and any expansion boards. To remove the I/O bracket assembly:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
Workstation feet  
Side access panel  
CAUTION: The power supply in the Compaq Professional Workstation AP500  
contains an auxiliary power section. Be sure the power switch is off and the unit is  
unplugged before removing the I/O bracket assembly in the next step.  
3. Grasp the I/O bracket assembly and pull it out of the chassis.  
Figure 3-9. Removing the I/O bracket assembly  
IMPORTANT: After reconnecting the power cord to the grounded AC outlet and to the  
workstation, DO NOT turn the power button on if the Power LED is a steady amber color. A  
steady amber color indicates that the I/O bracket assembly is not seated properly.  
Disconnect the power cord and reseat the I/O bracket assembly.  
3-11  
Replacing the I/O Bracket Assembly  
To replace the I/O bracket assembly (expansion board assembly), follow these steps:  
1. Grasp the assembly and insert it into the chassis and connector on the system board. Press  
firmly on the I/O bracket assembly, where the backplane is connected to the system  
board.  
2. Connect the power cord to the grounded AC outlet and to the workstation. DO NOT turn  
on the power switch.  
3. Check if the power LED is a steady amber color. A steady amber color indicates the I/O  
bracket assembly, processor(s), or terminator board (if installed) is not seated properly.  
4. If the power LED is a steady amber color, disconnect the power cord from the grounded  
AC outlet, reseat the I/O bracket assembly, processor(s), or terminator board (if installed),  
then reconnect the power cord.  
5. Once the power LED is a steady green color, disconnect the power cord once again before  
continuing with additional service.  
WARNING: DO NOT turn on the power switch unless the I/O bracket assembly,  
processor(s), and terminator board (if installed) are seated properly and the power  
LED is a steady green color. To reduce the risk of injury, DO NOT turn on the  
power until the workstation is completely reassembled.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-12 Removal and Replacement Procedures  
Expansion Boards  
This section discusses removal and replacement procedures for PCI or ISA expansion boards and  
the Accelerated Graphics Port (AGP) graphics controller.  
NOTE: The following instructions also apply to installing and removing graphics controllers. For  
information about the installed graphics controller, refer to the appropriate guide on the  
SmartStart for Workstations CD under X:/DOCS/GRAPHICS, where X is the CD-ROM or DVD-ROM  
drive on your machine.  
Identifying the PCI and ISA Expansion Slots  
The Compaq Professional Workstation AP500 contains five expansion slots on the I/O bracket  
assembly: three PCI expansion slots, one shared PCI/ISA expansion slot, and one ISA expansion  
slot. The following illustration identifies the physical locations. See the corresponding table for  
component names.  
1
2
3
4
5
Figure 3-10. Identifying the expansion slots  
3-13  
Table 3-1  
PCI/ISA Slots  
Reference  
Description  
1
2
3
4
5
PCI/ISA shared expansion slot*  
PCI expansion slot  
PCI expansion slot  
PCI expansion slot  
ISA slot  
*Cannot be used simultaneously  
NOTE: PCI=Peripheral Component Interconnect ISA=Industry Standard Architecture  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-14 Removal and Replacement Procedures  
Removing a PCI or ISA Expansion Board  
NOTE: The following instructions also apply to installing and removing graphics controllers. For  
information about the installed graphics controller, refer to the appropriate guide on the  
SmartStart for Workstations CD under X:\DOCS\GRAPHICS, where X is the CD-ROM or DVD-ROM  
drive on your machine.  
To remove a PCI or ISA expansion board:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
3. Remove the retaining screw that holds the expansion board in place.  
4. Move the tab 1 to release the board.  
5. Hold the expansion board at each end and carefully rock it back and forth until the  
connectors pull free from the slot. Then lift the board from the slot 2.  
2
1
Figure 3-11. Removing an expansion board  
To install an expansion board:  
1. Remove the expansion slot cover.  
2. Press firmly on the expansion board so that the whole connector seats properly in the  
expansion board slot. If you are installing a full length expansion board, be sure to engage  
the card guide.  
3. Replace the retaining screw.  
CAUTION: If you permanently remove an expansion board, install a protective  
slot cover to ensure proper cooling.  
3-15  
Removing a Symbios Wide Ultra2 PCI SCSI Controller  
NOTE: For best performance, do not mix Wide-Ultra and Wide Ultra2 SCSI hard drives on the  
same SCSI cable or the same channel.  
To remove a Wide Ultra2 SCSI Controller:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
Workstation feet  
Side access panel  
3. Remove the I/O bracket assembly.  
4. Disconnect the SCSI cable from the controller.  
5. Remove the retaining screw that holds the controller in place.  
6. Remove the controller.  
To replace the controller, reverse the above procedure.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-16 Removal and Replacement Procedures  
Removing the Accelerated Graphics Port (AGP) Graphics  
Controller  
The Compaq Professional Workstation AP500 comes equipped with an AGP expansion slot on  
the system board. The following illustration identifies the physical location of the AGP graphics  
controller expansion slot.  
NOTE: For information about the installed graphics controller, refer to the appropriate guide on  
the SmartStart for Workstations CD under X:\DOCS\GRAPHICS, where X is the CD-ROM or DVD-  
ROM drive designation.  
To remove the AGP graphics controller:  
1. Remove the retaining screw that holds the controller in place.  
2. Hold the controller at each end, then pull up.  
Figure 3-12. Removing an AGP graphics controller  
To replace the controller, reverse the above procedure.  
CAUTION: If you permanently remove an AGP graphics controller, install a  
protective slot cover to ensure proper cooling.  
IMPORTANT: When replacing the AGP graphics controller, be sure to use AGP graphics  
controllers with ATX format brackets. This will ensure the controller fits properly.  
IMPORTANT: When you install an AGP graphics controller, be sure to press firmly on the  
controller so that the whole connector seats properly in the AGP expansion slot.  
3-17  
Removing the Card Guide  
To remove the card guide:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
Full-length expansion boards, if installed  
3. Using a blunt tool, press inward on the two center tabs on the card guide.  
4. Gently pull the card guide out.  
Figure 3-13. Removing the card guide  
To replace the card guide, reverse the above procedure.  
IMPORTANT: Before replacing the I/O bracket assembly, read “Important Guidelines for I/O  
Bracket Assembly Replacement” earlier in this chapter.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-18 Removal and Replacement Procedures  
Removing the Backplane Board  
The backplane board (also called the riser card) is attached to the I/O bracket assembly. The  
backplane board contains the expansion slots described and shown in the “Expansion Boards”  
section in this chapter.  
To remove the backplane board:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
Expansion boards (if installed)  
Graphics controller (if installed)  
3. Remove the four screws that secure the backplane board to the I/O bracket assembly.  
4. Slide out then remove the backplane board from the I/O bracket assembly.  
Figure 3-14. Removing the backplane board  
To replace the backplane board, reverse the above procedure.  
IMPORTANT: Before replacing the I/O bracket assembly, read “Important Guidelines for  
I/O Bracket Assembly Replacement” earlier in this chapter.  
NOTE: When replacing the backplane board, align the top edge of the board with the slots in the  
I/O bracket assembly.  
3-19  
System Fan  
To remove the system fan:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
Workstation feet  
Side access panel  
3. Disconnect the fan cable from the system board 1.  
4. Remove the two screws at the top of the fan 2, then pull back and slide up 3.  
NOTE: If the system board has not been removed, slide it out a few inches before removing the  
system fan.  
1
2
3
2
Figure 3-15. Removing the system fan  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-20 Removal and Replacement Procedures  
5. Pull the rubber isolators through the bracket 1, then remove the fan from the bracket 2.  
1
2
Figure 3-16. Removing the fan from the bracket  
To replace the system fan, reverse the above procedure.  
3-21  
Mass Storage Devices  
This section discusses removal and replacement procedures for the mass storage devices  
supported on the Compaq Professional Workstation AP500.  
Drive Positions  
The Compaq Professional Workstation AP500 can house up to seven mass storage devices. All  
models ship with a CD-ROM drive installed in Bay 4 and a diskette drive installed in Bay 7. The  
following illustration identifies the physical drive locations. See the corresponding table for a  
description of the drive bay components.  
4
COMPACT  
5
6
3
7
2
1
Figure 3-17. Identifying drive positions  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-22 Removal and Replacement Procedures  
Table 3-2  
Drive Positions  
Reference  
Component  
Description  
1
Bay 1  
Part of the removable hard drive cage. A 3.5-inch, third-height bay that supports a  
1.0-inch hard drive or a 1.6-inch hard drive.  
2
3
Bay 2  
Bay 3  
Part of the removable hard drive cage. A 3.5-inch, third-height bay that supports a  
1.0-inch hard drive. Bay 2 is not available when a 1.6-inch hard drive is installed in  
Bay 1 or Bay 3.  
Part of the removable hard drive cage. A 3.5-inch, third-height bay that supports a  
1.0-inch hard drive or a 1.6-inch hard drive.  
4
5
Bay 4  
A CD-ROM drive is shipped in Bay 4.  
Bay 5*  
5.25-inch, half-height bay that supports 1.0-inch or 1.6-inch storage devices. An  
optional hard drive, diskette drive, CD-ROM drive, DVD-ROM drive, or tape drive can  
be installed in Bay 5.  
6
7
Bay 6*  
Bay 7  
5.25-inch, half-height bay that supports 1.0-inch or 1.6-inch storage devices. An  
optional hard drive, diskette drive, CD-ROM drive, DVD-ROM drive, or tape drive can  
be installed in Bay 6.  
3.5-inch, third-height bay that supports a 1.0-inch device. A standard 3.5-inch  
diskette drive is shipped in Bay 7.  
* An additional Zip drive can be installed in these bays.  
CAUTION: If a hard drive is installed in Bay 5 or 6 or if the bays are empty, be  
sure that EMI/cooling shields are installed to ensure proper air flow and cooling.  
IMPORTANT: Compaq recommends 10,000 rpm hard drives be installed first in Bays 1, 2,  
or 3. Installing a 10,000 rpm hard drive in Bays 5 or 6 will require an additional cooling fan  
kit.  
3-23  
Hardware Screws  
A total of 17 extra hardware screws are provided on the side of the air plenum. The top group of  
eight screws 1 is for installing hard drives in the removable hard drive cage. The bottom group  
of nine screws 2 is for installing removable media storage devices in the front drive bays.  
1
2
Figure 3-18. Locating the hardware screws  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-24 Removal and Replacement Procedures  
CD-ROM Drive or DVD-ROM Drive  
To remove the CD-ROM drive or DVD-ROM drive:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Remove the retaining screws 1 and slide the drive 2 halfway out.  
4. Disconnect the audio, data, and power cables 3 from the back of the drive.  
1
COMPACT  
3
2
Figure 3-19. Disconnecting the cables from the back of the CD-ROM drive or DVD-ROM drive  
3-25  
5. Pull the drive completely out of the drive cage.  
COMPACT  
Figure 3-20. Removing the CD-ROM drive or DVD-ROM drive  
To replace the drive, reverse the above procedure.  
CAUTION: Use only 3/16-inch or 5 mm long screws. Using longer screws can  
damage the internal components of the drive.  
CAUTION: When servicing the workstation, be sure cables are placed in their  
proper locations during the reassembly process. Improper cable placement can  
damage the computer.  
IMPORTANT: Make sure you attach the middle connector of the data cable to the drive.  
NOTE: Be sure to transfer the guide screw from the old drive to the new one. The screw is  
installed on the right front side of the drive. Note that extra guide screws are provided on the side  
of the air plenum.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-26 Removal and Replacement Procedures  
Diskette Drive  
IMPORTANT: Before removing the diskette drive, be sure there is no diskette in the drive.  
To remove the diskette drive:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Disconnect the cables from the back of the diskette drive.  
Figure 3-21. Disconnecting the cables from the back of the diskette drive  
4. Remove the diskette drive retaining screws.  
3-27  
5. Pull the diskette drive straight out.  
COMPACT  
Figure 3-22. Removing the diskette drive  
To replace the diskette drive, reverse the above procedure.  
CAUTION: Use only 3/16-inch or 5 mm long screws. Using longer screws can  
damage the internal components of the drive.  
CAUTION: When servicing the workstation, be sure cables are placed in their  
proper locations during the reassembly process. Improper cable placement can  
damage the computer.  
NOTE: Be sure to transfer the guide screw from the old drive to the new one. The screw is  
installed on the right front side of the drive. Note that extra guide screws are provided on the side  
of the air plenum.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-28 Removal and Replacement Procedures  
Removing a 7200 rpm Hard Drive from Bays 5 or 6  
Drive bays 5 and 6 can be configured with either a 1.0-inch or a 1.6-inch, 7200 rpm hard drive.  
Other than using different screw holes, the removal of both drives a basically the same.  
To remove a 7200 rpm hard drive:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Disconnect the signal and power cables.  
Figure 3-23. Disconnecting the cables from the hard drive  
3-29  
4. Remove the EMI/cooling shield.  
COMPACT  
Figure 3-24. Removing the EMI/cooling shield  
5. Pull the hard drive straight out.  
COMPACT  
Figure 3-25. Removing the hard drive  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-30 Removal and Replacement Procedures  
6. Remove the retaining screws and lift the hard drive from the bracket.  
Figure 3-26. Removing a hard drive from the hard drive bracket  
To reinsert a hard drive in Bays 5 or 6, reverse the above procedure.  
CAUTION: Use only 3/16-inch or 5 mm long screws. Using longer screws can  
damage the internal components of the drive.  
CAUTION: When servicing the workstation, be sure cables are placed in their  
proper locations during the reassembly process. Improper cable placement can  
damage the computer.  
3-31  
Removing a 10,000-rpm Hard Drive from Bays 5 or 6  
Drive bays 5 and 6 can be configured with a 10,000 rpm hard drive. The removal of the drive is  
basically the same as removing a 7200 rpm hard drive except you will be also be removing a  
cooling fan. :  
To remove a 10,000-rpm hard drive:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
Side access panel  
Front bezel  
3. Disconnect the signal and power cables.  
Figure 3-27. Disconnecting the cables from the hard drive  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-32 Removal and Replacement Procedures  
4. Disconnect the fan power cable.  
Figure 3-28. Disconnecting the fan power cable  
5. Remove the retaining screws securing the fan.  
NOTE: The screws that secure the fan also secure the hard drive.  
Figure 3-29. Removing the fan  
3-33  
6. Remove the EMI/cooling shield.  
COMPACT  
Figure 3-30. Removing the EMI/cooling shield  
7. Pull the hard drive straight out.  
COMPACT  
Figure 3-31. Removing the hard drive  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-34 Removal and Replacement Procedures  
8. Remove the retaining screws and lift the hard drive from the bracket.  
Figure 3-32. Removing a hard drive from the hard drive bracket  
To reinstall a hard drive in Bays 5 or 6, reverse the above procedure.  
CAUTION: Use only 3/16-inch or 5 mm long screws. Using longer screws can  
damage the internal components of the drive.  
CAUTION: When servicing the workstation, be sure cables are placed in their  
proper locations during the reassembly process. Improper cable placement can  
damage the computer.  
3-35  
Removing the Fan from a Hard Drive Installed in  
Bays 5 or 6  
NOTE: This section only applies if there is a fan installed over Bays 5 and 6. The fan is required  
only in high-altitude environments or when a hard drive faster than 7200 rpm is installed in Bay 5  
or 6.  
To remove the fan:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the side access panel.  
3. Disconnect the power cable.  
Figure 3-33. Disconnecting the power cable  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-36 Removal and Replacement Procedures  
4. Remove the screws that hold the fan in place and remove the fan.  
NOTE: The screws also secure the hard drive in that bay and must be replaced. DO NOT  
remove the screws from the CD-ROM drive. They are not used to install the fan.  
Figure 3-34. Removing the fan  
To replace the fan, reverse the above procedure.  
3-37  
Removing a Hard Drive from the Removable Hard Drive  
Cage  
The removable hard drive cage supports up to three 1.0-inch hard drives or two 1.6-inch hard  
drives. Other than using different screw holes, the removal and replacement for both drives is  
basically the same.  
To remove a hard drive in the removable hard drive cage:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
Workstation feet  
Side access panel  
3. Disconnect the cables from the back of the hard drive(s).  
Figure 3-35. Disconnecting the cables from the back of a hard drive  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-38 Removal and Replacement Procedures  
4. Pull back the power supply air baffle 1.  
5. Loosen the two thumbscrews 2 and slide the removable hard drive cage out 3.  
2
3
1
Figure 3-36. Removing the removable hard drive cage  
6. Remove the four screws that secure the hard drive to the removable hard drive cage and  
pull the hard drive straight out.  
Figure 3-37. Removing a hard drive  
CAUTION: When servicing the workstation, make sure cables are placed in their  
proper locations during the reassembly process. Improper cable placement can  
damage the workstation.  
3-39  
Installing a Hard Drive in the Removable Hard Drive Cage  
To install a hard drive in the removable hard drive cage:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
Removable hard drive cage  
3. Remove the hard drive screws (top group of screws) from the side of the air plenum  
located at the front of the workstation.  
4
3
2
1
Figure 3-38. Locating the removable hard drive screw holes  
Table 3-3  
Removable Hard Drive Screw Holes  
Reference  
Bay  
4
Bay 3: 1.0-inch drive  
3
2
1
Bay 3: 1.6-inch drive  
Bay 2: 1.0-inch drive  
Bay 1: 1.0-inch drive  
4. Insert the hard drive into the removable hard drive cage, and secure the drive with the four  
hard drive screws. (See the above illustration and table for the location of the correct screw  
holes for the hard drive you are installing.)  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-40 Removal and Replacement Procedures  
Figure 3-39. Inserting a hard drive in the removable hard drive cage  
4
2
1
3
Figure 3-40. Reinstalling a removable hard drive cage  
5. Pull back the air baffle 1.  
6. Slide the hard drive cage 2 into place.  
7. Align the tabs 3 on the bottom of the cage with the workstation chassis.  
8. Tighten the thumbscrews 4.  
9. Connect the signal and power cables to the hard drive.  
10. Reassemble the workstation.  
3-41  
SCSI Cables and Guidelines  
All workstation models use three areas for connecting mass storage SCSI devices: internally  
with hard drive in the removable hard drive cage, internally with storage devices in the front  
panel drive bays, and externally with external storage devices. The workstation has an integrated  
Wide-Ultra SCSI controller that has one internal connector on the system board and one external  
connector on the rear panel.  
SCSI Cables  
The workstation ships standard with a 5-device Wide-Ultra or Wide Ultra2 SCSI cable that has a  
terminator on one end. The other end of this cable connects to the internal Wide-Ultra SCSI  
connector on the system board. The first device connector of the cable connects to the hard drive  
in the removable hard drive cage. The cable has five connectors to handle up to five SCSI  
devices, a maximum of three in the removable hard drive cage and two in the front drive bay  
area.  
Figure 3-41. 5-device Wide-Ultra SCSI cable  
NOTE: The SCSI cable included with the workstation may look slightly different than the one  
pictured.  
When installing a Wide Ultra2 SCSI hard drive a Wide Ultra2 SCSI cable (not shown) is  
required.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-42 Removal and Replacement Procedures  
SCSI Guidelines for Installing SCSI Devices  
■
If you are installing a narrow SCSI device, you will need to attach a 68- to 50-pin SCSI  
adapter to the narrow SCSI device.  
■
A maximum of seven SCSI devices may be installed on the integrated Wide-Ultra SCSI  
controller.  
■
■
A unique SCSI ID (0-6 and 8-15) must be set for each SCSI device installed.  
Before you install a SCSI device, verify the SCSI ID of the drive, and if necessary, set the  
SCSI ID to a unique ID number.  
■
The controller identifies a SCSI device by its SCSI ID (SCSI ID 1) number rather than its  
bay location (Bay 2). Therefore, moving a SCSI device from one bay location to another  
or changing the position of the device on the SCSI chain does not affect the  
communication between the controller and the SCSI device.  
■
The reserved and available SCSI ID numbers for SCSI devices are as follows:  
❏
❏
❏
SCSI ID 0 is reserved for the primary hard drive (bootable drive).  
SCSI ID 7 is reserved for the controller.  
SCSI IDs 1-6 and 8-15 are available. Do not use IDs 8-15 for narrow devices on the  
same SCSI bus.  
■
■
Bay 4 is reserved for the CD-ROM drive. Do not install a SCSI device in this bay.  
If only one SCSI hard drive is used, it should be installed on the lowest numbered bay  
(Bay 1).  
■
■
Every SCSI chain must be terminated (closed) at both ends.  
SCSI devices may not have terminating jumpers on the device. Determine if the device  
ought to have termination enabled or disabled. Set the termination if necessary.  
Termination on these devices must be achieved with a non-terminated cable.  
■
■
Turn on an external SCSI device before turning on power to the workstation. This enables  
the system board controller to recognize the external SCSI device.  
When an external SCSI device is connected to the external SCSI connector on the rear  
panel of the workstation, that device becomes the end of the SCSI chain and must be  
terminated.  
■
SCSI drives on the SCSI controller must be either internal or in an external storage  
system, but not both.  
SCSI Guidelines for Optimizing Performance  
■
To maintain Ultra speeds, do not install more than four SCSI devices on a SCSI bus.  
■
Do not mix Wide-Ultra and narrow SCSI devices on the same SCSI chain or the same  
controller.  
For additional information about optional SCSI devices, refer to the documentation included  
with the device.  
3-43  
System Board Assembly  
The system board assembly contains the DIMMs, Pentium II or Pentium III processor/heat sink,  
Processor Power Module(s), system board with tray, the AGP Graphics Controller, and the  
external battery, if installed. Each of these components is spared separately. The components on  
the system board are illustrated in Figure 3-43. See Table 3-4 for component names.  
CAUTION: Static electricity can damage the electronic components of the  
workstation. Before beginning these procedures, make sure you are properly  
grounded. See “Electrostatic Discharge Information” in Chapter 2.  
System Board with Tray and Cage  
To remove the system board with tray and cage:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
3. Disconnect and remove all cables plugged into the system board.  
IMPORTANT: Be sure to disconnect the system fan and speaker connectors located at the  
front of the system board before removing the system board with tray and cage.  
4. Grasp the back edge of the system board with tray and slide it out of the chassis.  
Figure 3-42. Removing the system board with tray and cage  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-44 Removal and Replacement Procedures  
To install a new system board with tray and cage:  
1. Remove the following components from the system board with tray:  
❏
❏
❏
❏
DIMMs  
Processor(s)  
Processor power module(s)  
External battery (if installed)  
2. Install the components on the new system board with tray. Before reinstalling the  
DIMMs, see “Important Guidelines for DIMM Installation” earlier in this chapter.  
3. Slide the new system board with tray into the chassis.  
4. Connect all cables to the system board.  
5. Replace the I/O bracket assembly, the side access panel, and the workstation feet.  
3-45  
System Board Components  
1
2
3
4
5
6
7
8
9
10  
11  
12  
18  
13  
14  
17  
15  
16  
Figure 3-43. Identifying system board components  
Table 3-4  
System Board Components  
Reference  
Component  
1
Power Switch Connector and LED Header  
Power Connector  
2
3
4
5
6
7
8
9
:
;
<
=
>
?
@
A
B
External Battery Jumper  
Diskette Drive Connector  
Secondary IDE Connector  
Primary IDE Connector  
SCSI Connector  
Primary Processor Power Module  
Secondary Processor Power Module Slot  
Secondary Processor Slot  
Primary Processor  
Fan Headers  
SW1 Switch  
Speaker Header  
DIMM Sockets 1- 4  
AGP Graphics Controller Connector  
Wake-On-LAN Connector  
Expansion Board Connector  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-46 Removal and Replacement Procedures  
Dual Inline Memory Modules (DIMMs)  
The Compaq Professional Workstation AP500 has four DIMM slots on the system board to  
support up to a maximum of 1 GB. See the following illustration for the physical location of the  
DIMM sockets.  
DIMM 4  
DIMM 3  
DIMM 2  
DIMM 1  
Figure 3-44. Overview of DIMM sockets  
NOTE: DIMMs do not need to be installed in pairs, and can be installed in any of the available  
DIMM sockets. The DIMM sockets are numbered in sequence from 1-4. DIMM 1 is located closest  
to the processor, and DIMM 4 is located closest to the edge of the system board.  
Important Guidelines for DIMM Installation  
When installing DIMMs, you MUST follow these guidelines:  
■
Use only 32-, 64-, 128-, 256-MB Registered 100-MHz Error Checking and Correcting  
(ECC) SDRAM DIMMs.  
■
■
DIMMs must have a 4-KHz refresh rate.  
DO NOT INSTALL DIMMS THAT DO NOT SUPPORT ERROR CHECKING  
AND CORRECTING (ECC).  
■
■
A DIMM can be installed one way only. Be sure to match the two key slots on the DIMM  
with the tab on the DIMM socket. Push the DIMM down into the DIMM socket, ensuring  
that it is fully inserted and properly seated.  
When upgrading, do not exceed 1 GB total. Upgrades exceeding 1 GB will cause the  
system to halt.  
3-47  
Removing a DIMM  
CAUTION: When handling a DIMM, be careful not to touch any of the contacts.  
Doing so may damage the DIMM.  
CAUTION: Static electricity can damage the electronic components of the  
workstation or optional boards. Before beginning these procedures, ensure that  
you are properly grounded. See “Electrostatic Discharge Information” in Chapter 2.  
To remove a DIMM:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
AGP graphics controller, if necessary  
3. Press outward on both latches of the DIMM at the same time 1. This releases the module  
and pushes it partially out of the socket.  
4. Lift the module from the socket 2.  
1
2
1
Figure 3-45. Removing a DIMM  
To replace a DIMM, reverse the above procedure.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-48 Removal and Replacement Procedures  
Processor and Heatsink Assembly  
WARNING: To reduce the risk of personal injury from hot surfaces, allow the  
internal system components to cool before touching.  
To remove the processor and heatsink assembly:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
3. Push in the latches on each side of the processor until there are two clicks. This locks the  
tabs in the open position. Then slide out the processor.  
Figure 3-46. Removing the processor and heatsink assembly  
To replace the processor and heatsink, reverse the above procedure.  
NOTE: Install the primary processor/heatsink assembly in the primary processor slot.  
Appearance may vary depending upon the processor.  
When replacing the processor, push the processor tabs outward. The tabs will click twice,  
locking the processor to the system board.  
3-49  
Processor Power Module  
CAUTION: Static electricity can damage the electronic components of the  
workstation. Before beginning these procedures, make sure you are properly  
grounded. See “Electrostatic Discharge Information” in Chapter 2.  
The processor power module (voltage regulator module) is located on the system board.  
To remove the processor power module:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
WARNING: To reduce the risk of personal injury from hot surfaces, allow the  
internal system components to cool before touching.  
3. Press outward on both latches of the processor power module at the same time 1, then lift  
the module from the system board 2.  
1
2
Figure 3-47. Removing the processor power module  
To replace the processor power module, reverse the above procedure.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-50 Removal and Replacement Procedures  
Primary Processor Power Module Cable Insulator  
A cable insulator reduces damage to cables routed over the power module. If you are replacing  
the primary processor module, you must first remove the cable insulator from the module and  
place it on the new power processor module.  
To remove the cable insulator:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
Primary power processor module  
WARNING: To reduce the risk of personal injury from hot surfaces, allow the  
internal system components to cool before touching.  
3. Remove the cable insulator from the primary processor power module.  
Figure 3-48. Removing the cable insulator  
To reinstall the cable insulator, reverse the above procedure.  
NOTE: Make sure you firmly press the primary processor power module and cable insulator into  
the primary power module connector. Then, secure the two latches on the connector.  
3-51  
External Battery  
The real-time clock battery that came with the workstation is permanently installed on the  
system board. If the original battery becomes inoperative, you must install a replacement battery.  
Before attempting to install the replacement battery, read the following section.  
Running Computer Setup  
Computer Setup automatically detects and configures most Compaq components, including  
Compaq hard drives. If the workstation has a Compaq hard drive you do not need to run  
Computer Setup prior to installing the replacement battery. However, if the workstation has a  
third-party hard drive, you MUST complete the following steps before installing the replacement  
battery:  
1. Run Computer Setup and record the drive type displayed in the System Configuration  
Summary.  
2. If the drive type number is 65 or 66, record the drive parameters.  
Drives with these designators are user-defined types, also called soft-drive types.  
Whenever the nonvolatile memory (CMOS) has be come invalid, such as after the  
installation of a new battery, drive parameters must be entered manually for these user-  
defined drives.  
After you have completed the battery installation, run Computer Setup and use the drive table  
parameters recorded earlier to reconfigure the system.  
WARNING: The system board contains a clock/CMOS lithium battery. The lithium  
battery may explode if mistreated. The battery is soldered in and may not be  
removed. Do not abuse or disassemble. Use only replacement batteries supplied  
by Compaq Computer Corporation.  
IMPORTANT: Make a set of backup diagnostics diskettes before installing a new battery.  
NOTE: Drive parameters must be reentered after battery installation in order to reconfigure the  
hard drive. The hard drive is inoperable until the parameters are reentered.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-52 Removal and Replacement Procedures  
Installing the Battery  
CAUTION: Static electricity can damage the electronic components of the  
workstation. Before beginning these procedures, make sure you are properly  
grounded. See “Electrostatic Discharge Information” in Chapter 2 for more  
information.  
To install an external real-time clock battery:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
3. Remove the backing from the adhesive on the hook-and-loop fastener strip and attach the  
battery near the J5 jumper.  
4. Connect the battery connector to pins 1 - 4 on J5 1 and move the jumper from pins 6 and  
7 to pins 5 and 6 2.  
2
1
1
1
Figure 3-49. Installing the replacement battery  
3-53  
5. Replace the I/O bracket assembly and the side access panel.  
6. Place the sticker included with your battery kit on the back of the workstation above the  
power connector.  
7. Plug in the workstation and reconnect any external devices.  
WARNING: This equipment is designed for connection to a grounded (earthed)  
outlet. The grounding type plug is an important safety feature. To avoid the risk of  
electrical shock or damage to the equipment, do not disable this feature.  
8. Turn on the workstation.  
9. Run computer setup to reconfigure the system.  
■
If the workstation has a Compaq hard drive, you have now successfully completed the  
installation.  
■
If the workstation has a third-party hard drive, you must reconfigure the hard drive using  
the parameters recorded earlier.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-54 Removal and Replacement Procedures  
Power Switch Cable Assembly  
The power switch cable assembly can be replaced without removing the power supply. To  
remove the power switch cable assembly:  
1. Perform the service preparations shown on page 3-2.  
2. Remove the following components:  
❏
❏
❏
Side access panel  
Front bezel  
CD-ROM drive or DVD-ROM drive (if installed)  
3. Disconnect the power switch cable from the system board.  
4. Remove the screws that keep the power switch cable assembly in place.  
5. Remove the crown from the power switch cable assembly.  
6. Gently slide the cable through the CD-ROM drive bay opening.  
7. Remove the power switch cable assembly from the chassis.  
Figure 3-50. Removing the power switch cable assembly  
To replace the power switch cable assembly, reverse the above procedure.  
3-55  
Power Supply  
WARNING: This procedure should be performed only by qualified personnel. Do  
not reconnect power to the computer until the computer cover is replaced.  
Connecting the power before replacing the computer cover can result in personal  
injury or equipment damage.  
WARNING: To reduce the risk of electric shock or damage to the equipment:  
■ If the system has multiple power supplies, disconnect power from  
the system by unplugging all power cords from the power  
supplies.  
■ Do not disable the power cord grounding plug. The ground plug is  
an important safety feature.  
■ Plug the power cord into a grounded (earthed) electrical outlet that  
is easily accessible at all times.  
To remove the power supply:  
1. Perform the service preparations shown on page 3-2, then lay the workstation on its side.  
2. Remove the following components:  
❏
❏
❏
❏
Workstation feet  
Side access panel  
I/O bracket assembly  
Power supply air baffle  
3. Disconnect all power cables.  
NOTE: To facilitate reassembly, note the orientation of each cable connector and the routing of  
each cable before you remove it.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
3-56 Removal and Replacement Procedures  
4. Remove the power supply air baffle from its position.  
Figure 3-51. Removing the power supply air baffle  
5. Remove the three screws that secure the power supply to the back of the chassis.  
6. Slide the power supply toward the front of the chassis and pull up to remove it.  
Figure 3-52. Removing the power supply  
To replace the power supply, reverse the above procedure.  
WARNING: Do not reconnect power to the computer until to computer cover is  
replaced. Connecting the power before replacing the computer cover can result in  
personal injury or equipment damage.  
4-1  
Chapter 4  
Diagnostic Tools  
This chapter provides the following information to assist you when servicing the Compaq  
Professional Workstation AP500:  
■
■
■
■
■
■
■
Power-On Self-Test (POST)  
Compaq Utilities  
Error Codes  
ROMPaq  
Compaq Insight Manager  
Compaq Workstation SSD for Windows NT  
Compaq Diagnostics for Windows NT  
IMPORTANT: Adherence to the procedures and precautions described in this chapter is  
essential for proper service.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-2 Diagnostic Tools  
Power-On Self-Test (POST)  
POST is a series of diagnostic tests that run automatically when the system is turned on. After  
the computer is turned on, POST checks the following assemblies to make sure the computer  
system is functioning properly:  
■
■
■
■
■
■
■
■
Keyboard  
Memory  
Graphics controller  
Diskette drives  
IDE CD-ROM drive  
Hard drives  
Processors  
Controllers  
POST also detects the type of SCSI mass storage devices installed in the workstation.  
NOTE: If the Power-On Password is set, a key icon ( ) displays on the screen while POST is  
running. You will need to enter the password before continuing. See Chapter 5 for information on  
deleting or bypassing the Power-On Password.  
If POST finds an error in the system, an audible and/or visual message occurs. For explanations  
of the error codes and a recommended course of action, see Table 4-1 in the next section.  
4-3  
POST Messages  
An error message results if POST encounters a problem. This test runs when the system is turned  
on, checking assemblies within the workstation and reporting any errors detected.  
Table 4-1  
POST Messages  
Message  
Beeps*  
Probable Cause  
Recommended Action  
101-ROM Error  
1L, 1S  
System ROM checksum  
Replace the system board.  
101-Option ROM Checksum 1L, 1S  
Error  
Option ROM checksum  
DMA, timers, and so on.  
1. Verify the correct system ROM.  
2. Flash the system ROM to the latest  
revision, if required.  
3. Contact Compaq technical support.  
102-System Board Failure  
162-System Options Error  
None  
2S  
Replace the Expansion Cage System  
Board. Run the Computer Setup utility.  
No diskette drive or mismatch in Run Computer Setup or Windows NT  
drive type  
utilities.  
162-System Options Not Set 2S  
Configuration incorrect  
Run Computer Setup or Windows NT  
utilities.  
163-Time & Date Not Set  
164-Memory Size Error  
2S  
Invalid time or date in  
configuration memory  
Run Computer Setup or Windows NT  
utilities.  
2S  
Memory configuration incorrect Run Computer Setup or Windows NT  
utilities.  
172-1 Configuration  
None  
None  
NVRAM configuration error  
Allow system to completely boot.  
Reboot.  
Nonvolatile Memory Invalid  
201-Memory Error  
RAM failure  
1. Run Computer Setup or Windows NT  
utilities.  
2. Replace the DIMMs.  
202-Memory Type  
Mismatch  
None  
Invalid memory configuration  
RAM failure  
1. Run Computer Setup or Windows NT  
utilities.  
2. Replace the DIMMs.  
203-Memory Address Error None  
1. Run Computer Setup or Windows NT  
utilities.  
2. Replace the DIMMS.  
3. Replace the system board.  
205-Memory Error  
None  
Cache memory error  
Run the Computer Checkup or  
Diagnostics utilities.  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-4 Diagnostic Tools  
POST Messages Continued  
Message  
Beeps*  
Probable Cause  
Recommended Action  
206-Secondary cache  
controller failure  
None  
Cache memory controller or  
RAM failure  
Run the Computer Checkup and  
Diagnostics utilities.  
207-ECC Corrected Single  
Bit Errors in DIMM Pair(s)  
2S  
A memory error on one of the  
installed DIMMs has been  
Run Diagnostics to get more  
information.  
detected and corrected with the  
system’s ECC logic. The  
workstation will continue to  
operate correctly with this error.  
210-Invalid Memory  
Configuration Detected.  
Maximum of 1 Gbytes of  
Memory Supported. System  
Halted  
None  
Too much memory installed in  
system  
Remove DIMM from socket.  
212-Failed Processor  
1L  
Failed processor (X is 0 or 1)  
Keyboard failure  
Replace the processor and/or the  
Processor Power Module.  
301-Keyboard Error  
None  
Verify that you do not have a key stuck  
or something on the keyboard.  
Ensure that the keyboard is plugged in.  
Replace the keyboard.  
303-Keyboard Controller  
Error  
None  
None  
I/O keyboard controller  
Keyboard failure  
1. Reconnect keyboard with computer  
turned off.  
2. Replace the system board.  
1. Replace the keyboard.  
304-Keyboard or System  
Unit Error  
2. Replace the system board.  
40X-Parallel Port X Address 2S  
Assignment Conflict  
Both external and internal ports Run Computer Setup or Windows NT  
are assigned to parallel port X.  
utilities.  
402-Monochrome Adapter  
Failure  
1L, 2S  
Monochrome display controller  
Replace the monochrome display  
controller.  
404-Parallel Port Address  
Conflict Detected  
2S  
Both external and internal ports Run Computer Setup or Windows NT  
are assigned to parallel port X.  
Graphics display controller  
Diskette controller circuitry  
utilities.  
501-Display Adapter Failure 1L, 2S  
601-Diskette Controller Error None  
Replace the graphics controller.  
1. Run Computer Setup.  
2. Check and/or replace cables.  
3. Replace diskette drive.  
4. Replace the system board.  
Continued  
4-5  
POST Messages Continued  
Message  
Beeps*  
Probable Cause  
Recommended Action  
605-Diskette Drive Type  
Error  
2S  
Mismatch in drive type  
Run Computer Setup or Windows NT  
utilities.  
611-Primary Floppy Port  
2S  
Configuration error  
Run Computer Setup or Windows NT  
utilities.  
Address Assignment Conflict  
1151-System Board COM Port 2S  
1 Address Assignment Conflict  
Both external and internal serial Run Computer Setup or Windows NT  
ports are assigned to COM1 utilities.  
1152-System Board COM Port 2S  
2 Address Assignment Conflict  
Both external and internal serial Run Computer Setup or Windows NT  
ports are assigned to COM2  
utilities.  
1155-COM Port Address  
Assignment Conflict  
2S  
COM port address conflict  
Run Computer Setup or Windows NT  
utilities.  
1610-Temperature Violation None  
Detected  
The system is too hot.  
Turn off the workstation and let it cool off.  
If the condition persists, run Diagnostics to  
get more information.  
1611-Fan Failure Detected  
None  
The fan is not operating properly. Run Diagnostics to get more information.  
Replace the fan.  
1720-IntelliSafe Hard Drive None  
Detects Imminent Failure  
IDE hard drive(s)  
Back up contents and replace hard drive.  
1720-SMART Hard Drive  
Detects Imminent Failure  
None  
SCSI hard drive(s)  
Back up contents and replace hard drive.  
1771-Primary Disk Port  
2S  
Internal and external IDE hard  
drive controllers are both  
Run Computer Setup or Windows NT  
utilities.  
Address Assignment Conflict  
assigned to the primary address.  
1772-Secondary Disk Port  
Address Assignment Conflict  
2S  
IDE Configuration  
Run Computer Setup.  
1780-Disk 0 Failure  
1781-Disk 1 Failure  
None  
None  
IDE hard drive failure  
IDE hard drive failure  
IDE configuration failure  
IDE hard drive failure  
Run Computer Setup.  
Run Computer Setup.  
Run Computer Setup.  
Run Computer Setup.  
1782-Disk Controller Failure None  
1790-Disk 0 Failure  
(Secondary)  
None  
None  
None  
1791-Disk 1 Failure  
(Secondary)  
IDE hard drive failure  
IDE circuitry failure  
Run Computer Setup.  
Run Computer Setup.  
1792-Secondary Disk  
Controller Failure  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-6 Diagnostic Tools  
POST Messages Continued  
Message  
Beeps*  
Probable Cause  
Recommended Action  
1793-Secondary Controller  
or Disk Failure  
None  
An error has been detected  
with the CD-ROM interface.  
Run Computer Setup.  
A Critical Error Occurred  
Before this Power-Up.  
None  
Critical failure (POST) recorded None  
into the wellness log.  
Fixed Disk Parameter Table 3L  
or BIOS Error System Halted  
Configuration or hardware  
failure  
Run Computer Setup.  
XX000Y ZZ Parity Check 2  
Audible (beep)  
None  
Parity RAM failure  
Run Computer Setup.  
None  
None  
None  
Power-on successful  
Invalid Electronic  
Serial Number  
Electronic serial number has  
become corrupted.  
Run Computer Setup.  
Audible  
2S  
Power-on successful  
None  
(RESUME = F1 KEY)  
* L = Long, S = Short  
None  
As indicated to continue  
Press F1.  
4-7  
Troubleshooting Minor Problems  
If minor hardware or software problems occur, refer to the following list for possible solutions  
before running any of the diagnostic utilities.  
■
■
■
■
■
■
Verify that the workstation is connected to a working grounded AC outlet.  
Is the workstation turned on and the power light illuminated?  
Check all cable connections. Be sure the connectors are seated properly.  
Is the monitor turned on and the power light illuminated?  
If the monitor is dim, turn up the brightness and contrast controls on the monitor.  
After the system has started, press the Num Lock key repeatedly. If the Num Lock light  
toggles on and off, the keyboard is OK.  
■
■
■
■
■
■
Are all of the necessary device drivers installed?  
Have all printer drivers been installed for each application?  
Was a nonbootable diskette loaded in the diskette drive at powerup?  
Was a bootable compact disc in the CD-ROM drive at powerup?  
Check all switch and jumper settings.  
Was Computer Setup run after installing options (memory, disk drives, expansion boards,  
for example) and industry-standard architecture (ISA) boards?  
In addition to the above checklist, see the next few sections for other possible solutions to:  
■
■
■
■
■
■
■
■
■
■
■
Power Problems  
Diskette Drive Problems  
Display Problems  
Printer Problems  
Hard Drive Problems  
Hardware Installation Problems  
IDE CD-ROM and DVD-ROM Drive Problems  
Memory Problems  
SCSI Problems  
Network Problems  
Audio Hardware Conflicts  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-8 Diagnostic Tools  
Power Problems  
This section identifies some quick checks for power-related problems.  
Table 4-2  
Solutions for Power Problems  
Problem  
Possible Solution  
Computer will not turn on.  
Be sure the workstation is connected to a working grounded AC outlet.  
Be sure the processor(s) and terminator board are properly seated.  
Check to see if cables to the external power source are unplugged. Be sure cables  
connecting the workstation and the external source are plugged in properly. Be sure  
cables from the workstation’s power supply are properly plugged in to the system board.  
A PCI or ISA card that has been installed is not seated properly or is defective. Be sure that  
the card is fully inserted, or remove the PCI or ISA card that was just installed.  
System will not boot.  
If the LED is a steady amber color, reseat the I/O bracket assembly (expansion board  
assembly).  
Computer does not automatically The real-time clock (RTC) battery may need to be replaced.  
display the date and time.  
Computer powered off  
automatically.  
The maximum safe unit temperature may have been exceeded. Turn off the unit and allow  
it to cool.  
ACPI may be the cause. Unplug the unit from AC power and wait 10 seconds. Plug unit  
back in and restore power.  
4-9  
Diskette Drive Problems  
This section identifies some quick checks for diskette drive-related problems.  
Table 4-3  
Solutions for Diskette Drive Problems  
Problem  
Possible Solution  
Diskette drive light stays on.  
1. Diskette might be damaged. Run CHKDSK on the diskette.  
2. Diskette could be installed incorrectly. Remove the diskette and reinsert.  
3. Software program may be damaged. Check the program diskettes.  
4. Diskette not fully inserted. Eject and try inserting again.  
5. Drive cable is not properly connected. Reconnect drive cable.  
Diskette drive cannot write to a 1. Diskette is not formatted. Format the diskette.  
diskette.  
2. Diskette is write-protected. Either use another diskette that is not write-protected or  
disable the write protection on the diskette.  
3. Writing to the wrong drive. Check the drive letter in the path statement.  
4. Not enough space is left on the diskette. Use another diskette to write the information.  
5. Diskette write control is disabled. Check the security feature settings.  
1. Diskette is not formatted. Format the diskette.  
Diskette drive cannot read a  
diskette.  
2. Using the wrong diskette type for the drive type. Use a diskette that is compatible with  
the drive.  
3. Reading the wrong drive. Check the drive letter in the path statement.  
4. Diskette drive has been disabled. Run Computer Setup and enable the diskette drive.  
A problem has occurred with a The directory structure is bad or there is a problem with a file. Run Disk Administrator. At  
disk transaction.  
the Start menu, highlight Programs and select Administrator Tools.  
Non-system disk message  
Drive not found.  
Remove the diskette from the drive.  
Check the cables for loose connections.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-10 Diagnostic Tools  
Display Problems  
This section identifies some quick checks for display-related problems.  
Table 4-4  
Solutions for Display Problems  
Problem  
Possible Solution  
Screen is blank.  
1. Monitor is not turned on and the monitor light is not on. Turn on the monitor and  
verify the monitor light is on.  
2. Screen save has been initiated. Press any key or move the mouse to light the screen.  
Wait a few seconds for the screen to be active.  
3. Check the cable connection from the monitor to the workstation and check the  
grounded AC outlet.  
4. The brightness needs adjusting. Adjust the brightness control.  
5. The QuickBlank feature has been enabled through Security Management. Run  
Computer Setup and disable the QuickBlank feature.  
6. The energy saver feature has been enabled. Press any key or type the password.  
Wait a few seconds for the screen to become active.  
7. The RGB (Red, Green, Blue) input switch on the back of the monitor is incorrectly set.  
Set the monitor’s input switch to 75 ohms. If there is a sync switch, set it to External.  
8. If a fixed-sync monitor is used, be sure the monitor can accept the same sweep rate  
as the resolution chosen.  
9. Verify the graphics adapter is fully and properly inserted in the PCI or AGP slot.  
Graphics colors are wrong.  
Characters are dim.  
1. If the BNC cable is used, make sure that the Red, Green, and Blue BNC cables are  
connected to the corresponding monitor connectors.  
2. Be sure the monitor’s RGB inputs are set to 75 ohms.  
1. Adjust the monitor’s brightness and contrast controls.  
2. Verify the video cable is securely connected to the video card and monitor.  
3. Set the RGB switch (and sync options, if available) to 75 ohms, with the sync set to  
External. Refer to the documentation included with the monitor.  
Monitor does not function  
properly when used with the  
energy saver features.  
A monitor without the energy saver feature is being used with energy saver features  
enabled. Disable the monitor energy saver feature.  
Blurry display or requested  
resolution cannot be set.  
If the graphics controller was upgraded, the correct display drivers may not be loaded.  
Install the correct display drivers on the diskette included in the upgrade kit.  
Continued  
4-11  
Solutions for Display Problems Continued  
Problem  
Possible Solution  
The picture is broken up; it  
rolls, jitters, or blinks.  
1. Be sure the monitor cable is securely connected to the computer.  
2. In a 2-monitor system or if another monitor is in close proximity, the monitors may  
interfere with each other’s magnetic field. Move them farther apart.  
Screen goes blank.  
Monitor overheats.  
A screen blanking utility may be installed or energy saver features are enabled. Press  
any key or type password. Wait a few seconds for the screen to become active.  
There is not enough ventilation space for proper airflow. Leave at least 3 inches (7.6  
cm) of ventilation space. Also, be sure there is nothing on top of the monitor to obstruct  
air flow.  
Cursor will not move using the The Num Lock key is on. Press the Num Lock key. The Num Lock light should not be on  
arrow keys on the numeric  
keypad.  
when you want to use the arrow keys.  
Printer Problems  
This section identifies some quick checks for printer-related problems.  
Table 4-5  
Solutions for Printer Problems  
Problem  
Possible Solution  
Printer will not print.  
1. Printer is not turned on and online. Turn the printer on and make sure it is online.  
2. The correct printer drivers for the application are not installed. Install the correct printer  
drivers for the application.  
3. If the workstation is on a network, you may not have made the connection to the  
printer. Make the proper network connections to the printer.  
Printer will not turn on.  
The cables may not be connected properly. Reconnect all cables and check the power  
cord and electrical outlet.  
Prints garbled information.  
1. The correct printer drivers for the application are not installed. Install the correct printer  
driver for the application.  
2. The cables may not be connected properly. Reconnect all cables.  
Printer is off-line.  
The printer may be out of paper. Check the paper tray and refill it if it is empty. Select  
online.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-12 Diagnostic Tools  
Hard Drive Problems  
This section identifies some quick checks for hard drive-related problems.  
The information provided by the diagnostics test includes error code, system serial number,  
drive serial number, drive model, and drive firmware revision. Specific details of the drive  
failure are not included.  
When you run the diagnostics, the test results are stored in a log. After completing the test, you  
can print this log to a local printer or save it to a file. Alternatively, before running the test, you  
can configure the test options to send the results to a local printer or file.  
Solutions for some typical hard drive problems are presented in the following table.  
Table 4-6  
Solutions for Hard Drive Problems  
Problem  
Possible Solution  
Hard drive error occurs  
Hard disk has bad sectors or has failed. Use a utility to locate and block usage of bad  
sectors. If necessary, reformat the hard disk.  
Disk transaction problem  
Either the directory structure is bad or there is a problem with a file.  
When using Windows NT, run Disk Administrator. At the Start menu, highlight Programs  
and select Administrator Tools.  
Drive not found  
1. Cable could be loose. Check cable connections.  
2. Check SCSI IDs to be sure they are not duplicated.  
Nonsystem disk message  
1. The system is trying to start from a diskette that is not bootable. Remove the diskette  
from the diskette drive.  
2. The system is trying to start from the hard drive but the hard disk has been damaged.  
Insert a bootable diskette into the diskette drive and restart the workstation.  
3. Diskette boot has been disabled in Computer Setup. Run Computer Setup and enable  
diskette boot.  
4-13  
Hardware Installation Problems  
This section identifies some quick checks for hardware-related installation problems.  
Table 4-7  
Solutions for Hardware Installation Problems  
Problem  
Possible Solution  
A new device is not recognized 1. The Computer Setup utility has not been run to configure the new device. Run the  
as part of the computer system.  
Computer Setup utility.  
2. When the system advised you of changes to the configuration, you did not accept  
them. Reboot the workstation and follow the instructions for accepting the changes.  
3. The system may not have automatically recognized the new device. Run Computer  
Setup and identify the new device.  
4. A Plug-and-Play board may not automatically configure when added if the default  
configuration conflicts with other devices. Use Computer Setup to deselect the  
automatic settings for the board and choose a basic configuration that doesn’t  
cause a resource conflict.  
5. The cables for the new external device are loose or the power cables are  
unplugged. Check all cables.  
6. The power switch for the new external device is not turned on. Turn off the  
workstation, turn on the external device. Then turn on the workstation to integrate  
the new device.  
7. If the drive is a secondary drive that has just been installed on the same controller  
as the primary drive, verify that the jumpers for both drives are set correctly.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-14 Diagnostic Tools  
CD-ROM Drive and DVD-ROM Drive Problems  
This section identifies some quick checks for IDE CD-ROM and DVD-ROM drive-related  
problems.  
Table 4-8  
Solutions for CD-ROM and DVD-ROM Drive Problems  
Problem  
Possible Solution  
Cannot read compact disc  
1. CD is not properly seated in the drive. Eject the CD, correctly seat it in the drive, then  
reload.  
2. CD has been loaded upside down. Eject the CD, turn it over, then reload.  
System will not boot from  
CD-ROM drive  
1. The CD-ROM boot is not enabled through the Computer Setup utility. Run the  
Computer Setup utility and set the drive priorities.  
2. Be sure that drive cabling and jumpers are set correctly.  
Cannot eject compact disc  
CD is not properly seated in the drive. Turn off the workstation, insert a thin metal rod (a  
straightened paper clip can be used) into the emergency eject hole, and push firmly.  
Slowly pull the tray out from the drive until the tray is fully extended, then remove the CD.  
CD-ROM device is not detected; CD-ROM drive is not connected properly. Open the workstation. Verify the drive cable is  
driver is not loaded connected properly.  
4-15  
Memory Problems  
This section identifies some quick checks for memory-related problems.  
Table 4-9  
Solutions for Memory Problems  
Problem  
Possible Solution  
1. Run Computer Setup or Windows NT utilities.  
Out of Memory error  
2. The workstation has insufficient memory to run the application. Check the application  
documentation to determine the memory requirements.  
Memory count during POST is The DIMMs may not be installed correctly. Verify that the DIMMs have been installed  
wrong  
correctly in the DIMM sockets, then run the Setup utility.  
Out of memory error during  
operation  
The system has insufficient memory for the application. Check the memory requirements  
for the application or install additional memory.  
SCSI Problems  
Some common causes and solutions for SCSI device problems are listed in the following table.  
Table 4-10  
Solutions for SCSI Problems  
Problem  
Possible Solution  
System will not boot from a  
SCSI drive.  
Be sure that drive cabling and jumpers are set correctly. To boot to a SCSI drive, the  
drive with the lowest SCSI number will be the boot drive. No two drives can have the  
same SCSI number. See Figures 6-3, 6-4, and 6-5 for instructions on selecting SCSI  
ID.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-16 Diagnostic Tools  
Network Problems  
This section provides some common causes and solutions for network problems. However, the  
process of debugging network cabling is not discussed.  
Table 4-11  
Solutions for Network Problems  
Problem  
Cause  
Solution  
System does not detect a 1. Possible driver problem  
1. Load latest version of Compaq Workstation SSD for  
Windows NT.  
network controller.  
2. Possible failed network  
controller  
2. Replace the system board.  
System Setup utility  
reports unprogrammed  
EPROM.  
1. The network controller is  
defective.  
1. Replace the controller or the system board.  
2. Boot the workstation without the network drivers. Using a  
system boot diskette, reconfigure the network controller.  
2. Network drivers are not  
loaded.  
Diagnostics reports a  
failure.  
1. The cable is not securely  
connected.  
1. Be sure the cable is securely attached to the network  
connector and the other end of the cable is securely  
attached to the correct device.  
2. The cable is attached to the  
incorrect connector.  
2. Be sure the cable is attached to the correct connector.  
3. There is a problem with the 3. Be sure the cable and device at the other end are  
cable or a device at the  
other end of the cable.  
operating correctly.  
4. Replace the controller or the system board.  
4. The network controller is  
defective.  
5. Run Computer Setup and modify the network controller  
memory value.  
5. Network controller interrupt  
or memory overlaps the  
interrupt or memory of an  
expansion board.  
Diagnostics passes, but  
the system does not  
communicate with the  
network.  
1. Network drivers are not  
loaded, or driver parameters  
do not match current  
configuration.  
1. Be sure the network drivers are loaded and the driver  
parameters match the configuration of the network  
controller.  
2. Select the Network icon at the Control Panel. Reconfigure  
the driver if necessary, using the Network Setup found in  
the Control Center.  
2. The network controller is not  
configured for the  
workstation.  
3. Run Computer Setup and modify the network controller  
memory value.  
3. The network controller  
interrupt or memory  
overlaps the interrupt or  
memory of an expansion  
board.  
Continued  
4-17  
Solutions for Network Problems Continued  
Problem  
Cause  
Solution  
Network controller  
stopped working when an  
expansion board was  
installed.  
1. Network drivers are not  
loaded or driver parameters  
do not match the current  
configuration.  
1. Be sure the network drivers are loaded and the driver  
parameters match the configuration of the network  
controller, using Network Setup found in the Control  
Center.  
2. The cable is not securely  
connected.  
2. Be sure the cable is securely attached to the network  
connector and the other end of the cable is securely  
attached to the correct device.  
3. The network controller  
interrupt or memory  
overlaps the interrupt or  
memory of another  
3. Run Computer Setup and modify the network controller  
memory value.  
4. Verify that the drivers were not accidentally deleted  
when the drivers for a new expansion board were  
installed.  
expansion board.  
4. The network controller  
requires drivers.  
5. Reinstall the network drivers using the SmartStart for  
Workstations CD, then run Computer Setup.  
5. The files containing the  
network drivers are  
corrupted.  
Network controller  
stopped working without  
apparent cause.  
1. The files containing the  
network drivers are  
corrupted.  
1. Reinstall the network drivers using the SmartStart for  
Workstations CD, then run Computer Setup.  
2. Make sure the cable is securely attached to the network  
connector and the other end of the cable is securely  
attached to the correct device.  
2. The cable is not securely  
connected.  
3. The network controller is  
defective.  
3. Replace the network controller or the system board.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-18 Diagnostic Tools  
Audio Hardware Conflicts  
This section provides solutions to hardware conflicts. Hardware conflicts occur when two or  
more peripheral devices contend for the same signal lines or channels. Conflicts between the  
audio interface and another peripheral device may be because of the settings of the base I/O  
addresses, interrupts, or DMA channels. The audio interface typically has the following settings:  
■
■
■
■
Base I/O address  
OPL III I/O address  
Interrupt  
220H  
388-38Bh  
IRQ 5  
8-bit DMA  
Channel 1 and Channel 0 or 3  
To resolve hardware conflicts:  
1. Change the hardware settings of the audio card or the peripheral card in your system if the  
peripheral card is using the audio interface setting.  
2. If you are unsure of the settings of the peripheral cards, you can isolate the source of the  
problem by temporarily removing all cards. After that, add the cards back one at a time  
until the card that is causing the conflict is found.  
4-19  
Compaq Setup and Diagnostics Utilities  
The Compaq Professional Workstation AP500 provides setup and diagnostic utilities that you  
can use to configure the workstation’s hardware, resolve resource conflicts, run diagnostic tests,  
and view information about the workstation. This software includes Compaq Utilities that are  
preinstalled on a hard drive partition and ROM BIOS (Read Only Memory Basic Input/Output  
System). The Compaq Utilities menu consists of the following choices:  
■
■
■
■
■
Create a Diagnostics Diskette  
Computer Setup  
Computer Checkup (TEST)  
View System Information (INSPECT)  
Manage Diagnostics Partition  
Explanations and procedures for each utility are included later in this chapter.  
Compaq Utilities should be run in the following instances:  
■
■
■
When a system configuration error is detected during the Power-on Self-Test (POST).  
To change the factory default settings for some of the workstation features.  
To change the system configuration, which is sometimes necessary upon adding or  
removing optional hardware.  
■
To set system configuration features.  
Accessing the Compaq Utilities Menu  
IMPORTANT: If you have reformatted the hard drive and removed the hard drive partition  
that contains the Compaq Utilities, you can reinstall it by using the Compaq SmartStart for  
Workstations CD, or you can download Setup and User Diagnostics from the Compaq  
website at www.compaq.com.  
To access the Compaq Utilities menu:  
1. Turn on or restart the workstation. If Windows NT is running, click Start, Shut Down,  
Restart the computer.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press the F10 key while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. When prompted, select the desired language.  
4. Press Enter to bypass the title and welcome screens. The Compaq Utilities menu displays.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-20 Diagnostic Tools  
Creating a Diagnostics Diskette  
This option allows you to create Setup or Diagnostics diskettes from the diagnostics partition.  
To create these diskettes:  
1. Access the Compaq Utilities menu.  
2. From the Compaq Utilities menu, select Create a Diagnostics Diskette.  
One Diagnostic and two Setup diskettes will be created.  
NOTE: The Diagnostics and Setup diskettes can also be created by downloading the latest  
version from the Compaq website at www.compaq.com.  
To access TEST or INSPECT:  
1. Insert the Diagnostic diskette into drive A.  
2. Turn on or restart the workstation. If Windows NT is running, click Start, Shut Down,  
Restart the computer.  
3. Press Enter to bypass the Welcome to Compaq Utilities screen.  
NOTE: Procedures for running each Compaq Utilities menu option (Computer Setup, TEST,  
INSPECT) are included later in this chapter.  
4-21  
Computer Setup  
Computer Setup allows you to configure the workstation’s hardware and resolve resource  
conflicts.  
Using Computer Setup  
To use Computer Setup, select Computer Setup from the Compaq Utilities menu. The following  
table describes the features available in Computer Setup.  
Table 4-12  
Computer Setup Features  
Task  
Computer Setup Selection  
View the product name, processor type/speed/stepping,  
CPU serial number, system ROM date, system board  
revision, installed memory size, and asset tracking  
number.  
Click Built-in Devices, then click System Information.  
Set the system time and date.  
Click Built-in Devices, then click System Information. Click  
Date/Time.  
Set the Asset Tag.  
Click Built-in Devices, then click System Information. Under  
System Parameters, enter the new Asset Tag.  
Set the POST mode (Quick Boot or Full Boot) and  
enable/disable POST messages.  
Click Built-in Devices, then click System Information. Select  
the appropriate options under Quick Boot and POST  
Messages Descriptive/Clean Mode.  
Set ISA back-to-back I/O (fast/legacy) delay and bus  
priority (ISA/PCI).  
Click Built-in Devices, then click System Information. Under  
System Parameters, select the appropriate I/O Delay.  
View the currently installed drive A: (preinstalled diskette  
drive) and drive B: devices and set resources for diskette  
drives.  
Click Built-in Devices, then click Storage. The information is  
displayed under Diskette.  
Enable/disable diskette booting and diskette writing.  
Click Built-in Devices, then click Storage. Select the  
appropriate option under Removable Media.  
NOTE: After saving changes to Removable Media, the  
workstation will restart. Turn the workstation off, then on,  
manually.  
View information regarding IDE devices connected to the  
system.  
Click Built-in Devices, then click Storage. The information is  
displayed under IDE Devices.  
NOTE: ATAPI devices (CD-ROM, tape) are listed as ATAPI  
devices.  
Enable/disable serial and parallel port and/or set resources Click Built-in Devices, then click Communications. Select the  
for onboard system devices (serial port, parallel port, and  
so on).  
appropriate options under Serial Ports or Parallel Port.  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-22 Diagnostic Tools  
Computer Setup Features Continued  
Task  
Computer Setup Selection  
Set the printer mode (flexible/standard).  
Click Built-in Devices, then click Communications. Under  
Parallel Port, select the appropriate Bi-directional Port.  
Set the Num Lock state at power-on.  
Disable energy saver mode.  
Select timeout values.  
Click Built-in Devices, then click Input Devices. Under  
Keyboard, turn on Num Lock State At Power-on.  
Click Built-in Devices, then click Power Management. Select  
Energy Saver Disabled.  
Click Built-in Devices, then click Power Management. Under  
Hard Drive and/or Monitor, select the Timeout value.  
NOTE: These selections appear only the when energy  
saver mode is set (default).  
Enable/disable power LED blink in suspend mode  
Click Built-in Devices, then click Power Management. Select  
Blink LED during Energy Saver.  
NOTE: This selection does not appear if the energy saver  
mode is disabled.  
Enable the Power-On Password.  
Click Built-in Devices, then click Security Management.  
Under Power-On Password, click Set.  
Enable/disable keyboard QuickLock, QuickBlank screen  
when locked, and QuickLock in energy saver mode.  
Click Built-in Devices, then click Security Management.  
Under Power-On Password, select the appropriate options.  
NOTE: These selections appear only if a Power-On  
Password is set.  
Enable the Setup (administrator) Password.  
Click Built-in Devices, then click Security Management.  
Under Setup Password, select Enable Setup Password.  
View current settings of Plug and Play (PnP) devices and  
set resources for installed boards.  
Click Integrated and Add-in Devices, then click ISA Boards.  
View the currently installed PCI devices and view and/or  
reconfigure settings (IRQ, I/O, DMA, memory).  
Click Integrated and Add-in Devices, then click PCI Boards.  
Enable/disable the SCSI controller boot order for Compaq  
SCSI options.  
Click Integrated and Add-in Devices, then click PCI Boards.  
Under SCSI Controller Boot Order, select Enable Boot Order.  
Enable/disable PCI bus mastering, PCI VGA palette  
snooping, and interrupt sharing.  
Click Integrated and Add-in Devices, then click PCI Boards.  
Under System Options, select the appropriate options.  
Restore factory default settings and exit Computer Setup.  
Select File, then select Set Defaults and Exit.  
Exit Computer Setup without applying or saving any  
changes.  
Select File, then select Exit Without Saving Changes.  
Save changes to the system configuration and exit  
Computer Setup.  
Select File, then select Save Changes and Exit.  
4-23  
Computer Checkup (TEST)  
Computer Checkup (TEST), the primary diagnostics utility, confirms whether the various  
workstation devices are recognized by the system and are functioning properly. Use the TEST  
utility to help set up tests, to test the workstation, and to install the operating system.  
The TEST option, which may vary by product, checks the following:  
■
■
■
■
■
■
■
■
■
Processors  
Keyboard  
Pointing device interface  
Parallel interface  
Graphic controllers  
Diskette drives  
Fixed disk drives  
Serial interfaces  
Installed Compaq devices (tape drive, SCSI device, or network controller)  
To run TEST:  
1. Turn on only the external devices that you want to test. You may want to leave the printer  
connected to log error messages.  
2. Access the Compaq Utilities menu.  
3. Select Computer Checkup (TEST).  
4. Select the option to view the device list. After a few minutes, a list of installed hardware  
devices is displayed.  
5. Verify that the TEST utility correctly detected the devices installed. If the list is correct,  
select OK. The test option menu is displayed again. If the list is incorrect, be sure that any  
new devices are installed properly.  
NOTE: This utility may not detect non-Compaq devices.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-24 Diagnostic Tools  
6. Select one of the following from the test option menu:  
■
Quick Check Diagnostics runs a quick, general test on each device with a minimum  
number of prompts. If errors occur, they are displayed when the test is complete.  
■
Automatic Diagnostics runs unattended and provides maximum testing of each  
device with minimum prompts. You can choose how many times to run the tests, to  
stop on errors, or to print or file an error log.  
■
Prompted Diagnostics allows maximum control over the device testing process.  
You can choose attended or unattended testing, stop on errors, or print or file an error  
log.  
CAUTION: If attended testing is selected, the test itself may result in data loss.  
IMPORTANT: When you run the TEST utility, be sure to record any error message  
numbers.  
7. Follow the instructions on the screen as the diagnostic tests are run on the devices. When  
the testing is complete, the test option menu is displayed again.  
8. Exit to the Compaq Utilities menu.  
View System Information (INSPECT)  
The View System Information (INSPECT) utility provides information about the system after it  
has been configured, including:  
■
■
■
■
■
■
■
■
Contents of the operating system startup files  
Current memory configuration  
ROM versions  
Type of processor and coprocessor  
Diskette, CD-ROM, DVD-ROM, tape, and hard drives installed  
Active printer and communications interfaces  
Modem  
Graphics  
4-25  
Managing a Diagnostics Partition  
This option allows you to create, delete, or upgrade the diagnostics software on the hard drive  
partition. This must be performed from a diagnostics diskette.  
CAUTION: Creating a diagnostics partition involves performing a low-level  
format on the hard drive. Normally, this is only done to add diagnostics to a  
replacement hard drive. If the diagnostics software is deleted, you will no longer  
be able to access the Compaq Utilities menu.  
CAUTION: If you install an operating system without first installing the  
diagnostics partition, you will not be able to install a diagnostics partition without  
losing all data on your hard disk.  
Diagnostic Error Codes  
Diagnostic error codes occur if the system recognizes a problem while running the Compaq  
Setup and Diagnostics utilities. These error codes help identify defective subassemblies.  
The following tables list possible error codes, descriptions of each error condition, and actions  
required to resolve the error condition. For assistance in the removal and replacement of a  
particular subassembly, see Chapter 3.  
NOTE: Retest the system after completing each step. If the problem has been resolved, do not  
proceed with the remaining steps.  
If you encounter an error condition, complete the following steps before starting problem  
isolation procedures:  
1. Ensure proper ventilation. The workstation should have a 6-inch (15 cm) clearance at the  
rear of the chassis.  
2. Turn off the workstation and peripheral devices.  
CAUTION: Always make sure that the power is off before disconnecting or  
reconnecting the mouse, keyboard, or any other peripheral devices. Disconnecting  
or connecting any peripheral devices while the unit power is on can damage the  
system board.  
3. Disconnect any peripheral devices other than the monitor and keyboard. Do not  
disconnect the printer if you want to test it or use it to log error messages.  
4. Install loop-back and terminating plugs for complete testing.  
5. Run the Diagnostics diskette.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-26 Diagnostic Tools  
Microprocessor  
Table 4-13  
Microprocessor Test Error Codes  
Error Code Description  
Recommended Action  
101-xx  
102-xx  
CPU test failed.  
Replace the system board and retest.  
Coprocessor error.  
1. Run Computer Checkup or Computer Setup  
and retest.  
2. Replace the processor and retest.  
Replace the system board and retest.  
Replace the system board and retest.  
Replace the system board and retest.  
Replace the system board and retest.  
103-xx  
104-xx  
105-xx  
106-xx  
107-xx  
DMA controller failed.  
Interrupt controller failed.  
Port error.  
Keyboard controller self-test failed.  
CMOS RAM test failed.  
The following steps apply to error codes 107-  
xx through 109-xx:  
108-xx  
CMOS interrupt test failed.  
1. Replace the battery/clock module and  
retest.  
109-xx  
110-xx  
113-01  
114-01  
CMOS clock test failed.  
Programmable timer test failed.  
Protected mode test failed.  
Speaker test failed.  
2. Replace the system board and retest.  
Replace the system board and retest.  
Replace the system board and retest.  
1. Verify the speaker connection.  
2. Replace the system board and retest.  
1. Check system configuration.  
199-xx  
Installed devices test failed.  
2. Verify cable connections.  
3. Check switch settings.  
4. Run the Setup and Diagnostics utility.  
5. Replace the system board and retest.  
4-27  
Memory  
Table 4-14  
Memory Test Error Codes  
Error Code Description  
Recommended Action  
Insert DIMM in the correct location.  
200-xx  
202-xx  
Memory machine ID test failed.  
Memory system ROM checksum failed.  
Memory write/read test failed.  
Memory address test failed.  
The following steps apply to error codes 202-xx through  
215-xx:  
203-xx  
204-xx  
1. Remove one pair of DIMM at a time until the error  
message stops.  
2. Replace other removed DIMMs one pair at a time,  
testing each to ensure the error does not return.  
211-xx  
214-xx  
215-xx  
Random pattern test failed.  
Noise test failed.  
3. Replace the system board and retest.  
Random address test failed.  
Keyboard  
Table 4-15  
Keyboard Test Error Codes  
Error Code Description  
Recommended Action  
300-xx  
Keyboard ID test failed.  
The following steps apply to error codes 300-xx through  
304-xx:  
301-xx  
Keyboard self-test/interface test failed.  
1. Check the keyboard connection. If disconnected, turn  
the computer off and connect the keyboard.  
302-xx  
304-xx  
Individual key test failed.  
2. Replace the keyboard and retest.  
Keyboard repeat test failed.  
3. Replace the system board and retest.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-28 Diagnostic Tools  
Printer  
Table 4-16  
Parallel Printer Test Error Codes  
Error Code Description  
Recommended Action  
401-xx  
Printer failed or is not connected.  
The following steps apply to 401-xx through 403-xx:  
1. Connect the printer.  
2. Check power to the printer.  
402-xx  
403-xx  
Printer port test failed.  
3. Install the loop-back connector and retest.  
4. Replace system board and retest.  
Printer pattern test failed.  
Diskette Drive  
Table 4-17  
Diskette Drive Test Error Codes  
Error Code Description  
Recommended Action  
600-xx  
Diskette ID drive types test failed.  
The following steps apply to error codes 600-xx  
through 698-xx:  
601-xx  
602-xx  
Diskette format failed.  
1. Replace the diskette media and retest.  
Diskette read test failed.  
2. Check and/or replace the diskette power and signal  
cables and retest.  
603-xx  
604-xx  
605-xx  
Diskette write, read, compare test failed.  
Diskette random seek test failed.  
Diskette ID media test failed.  
3. Replace the diskette drive and retest.  
4. Replace the system board and retest.  
606-xx  
609-xx  
610-xx  
697-xx  
Diskette speed test failed.  
Diskette reset controller failed.  
Diskette change line test failed.  
Diskette type error  
698-xx  
699-xx  
Diskette drive speed is not within limits.  
Diskette drive/media error  
1. Replace media.  
2. Run Computer Setup and Computer Checkup.  
4-29  
Serial Port  
Table 4-18  
Serial Test Error Codes  
Error Code Description  
Recommended Action  
1. Run Computer Setup.  
1101-xx  
Serial port test failed.  
2. Replace the system board and retest.  
Modem  
Table 4-19  
Modem Communications Test Error Codes  
Error Code Description  
Recommended Action  
1201-xx  
Modem internal test failed.  
The following steps apply to error codes 1201-xx  
through 1210-xx:  
1202-xx  
1203-xx  
1204-xx  
1205-xx  
1210-xx  
Modem time-out test failed.  
1. Disconnect from the phone line and retest.  
2. Check the phone number.  
3. Check the modem line.  
Modem external termination test failed.  
Modem auto originate test failed.  
Modem auto answer test failed.  
Modem direct connect test failed.  
4. Replace the modem and retest.  
Pointing Device  
Table 4-20  
Pointing Device Test Error Codes  
Error Code Description  
Recommended Action  
8601-xx  
Mouse test failed.  
The following steps apply to 8601-xx and 8602-xx error  
codes:  
8602-xx  
Interface test failed.  
1. Replace with a working pointing device and retest.  
2. Replace the system board and retest.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-30 Diagnostic Tools  
CD-ROM Drive (IDE)  
Table 4-21  
CD-ROM Drive (IDE) Test Error Codes  
Error Code Description  
Recommended Action  
3301-xx  
CD-ROM drive read test failed.  
The following steps apply to error codes 3301-xx  
through 3305-xx and 6600-xx through 6623-xx:  
3305-xx  
6600-xx  
6605-xx  
6608-xx  
CD-ROM drive seek test failed.  
ID test failed.  
1. Replace the CD and retest.  
2. Check the jumper settings on the CD-ROM drive.  
3. Verify that the speaker is connected.  
Read test failed.  
Controller test failed.  
4. Check and/or replace the power and signal cables  
and retest.  
6623-xx  
Random read test failed.  
5. Replace the CD-ROM drive and retest.  
6. Replace the system board and retest.  
Tape Drive  
Table 4-22  
Tape Drive Test Error Codes  
Error Code Description  
Recommended Action  
1900-xx  
Tape drive ID test failed.  
The following steps apply to error codes 1900-xx  
through 1906-xx:  
1901-xx  
1902-xx  
Tape drive servo test failed.  
1. Replace the tape cartridge and retest.  
Tape drive format or format verification test 2. Check the switch settings and terminations on the  
failed.  
tape drive.  
1903-xx  
1904-xx  
1905-xx  
1906-xx  
Tape drive sensor test failed.  
Tape drive BOT/EOT test failed.  
Tape drive read test failed.  
Tape drive write/read/compare test failed.  
3. Check and/or replace the signal cable and retest.  
4. Replace the tape drive and retest.  
5. Replace the system board and retest.  
4-31  
Video  
Table 4-23  
Video Test Error Codes  
Error Code Description  
Recommended Action  
501-xx  
Graphics controller test failed.  
The following error codes apply to error codes 501-xx  
through 516-xx:  
502-xx  
503-xx  
504-xx  
505-xx  
Video memory test failed.  
Video attribute test failed.  
Video character set test failed.  
1. Replace the monitor and retest.  
2. Replace the graphics controller and retest.  
Video 80 × 25 mode 9 × 14 character cell  
test failed.  
506-xx  
Video 80 × 25 mode 8 × 8 character cell test  
failed.  
507-xx  
508-xx  
509-xx  
510-xx  
511-xx  
512-xx  
514-xx  
516-xx  
2402-xx  
Video 40 × 25 mode test failed.  
Video 320 × 200 mode color set 0 test failed.  
Video 320 × 200 mode color set 1 test failed.  
Video 640 × 200 mode test failed.  
Video screen memory page test failed.  
Video gray scale test failed.  
Video white screen test failed.  
Video noise pattern test failed.  
Video memory test failed.  
The following steps apply to error codes 2402-xx to  
2410-xx:  
2403-xx  
2404-xx  
2405-xx  
Video attribute test failed.  
1. Run the Setup and Diagnostics utilities.  
2. Replace the monitor and retest.  
Video character set test failed.  
Video 80 × 25 mode 9 × 14 character cell 3. Replace the graphics controller and retest.  
test failed.  
2406-xx  
Video 80 × 25 mode 8 × 8 character cell test  
failed.  
2408-xx  
2409-xx  
2410-xx  
Video 320 × 200 mode color set 0 test failed.  
Video 320 × 200 mode color set 1 test failed.  
Video 640 × 200 mode test failed.  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-32 Diagnostic Tools  
Video Test Error Codes Continued  
Error Code Description  
Recommended Action  
2411-xx  
Video screen memory page test failed.  
The following steps apply to error codes 2411-xx  
through 2456-xx:  
2412-xx  
Video gray scale test failed.  
1. Run the Setup and Diagnostics utilities.  
2. Replace the monitor and retest.  
2414-xx  
2416-xx  
2418-xx  
2419-xx  
2421-xx  
Video white screen test failed.  
Video noise pattern test failed.  
ECG/VGC memory test failed.  
ECG/VGC ROM checksum test failed.  
3. Replace the graphics controller and retest.  
ECG/VGC 640 × 200 graphics mode test  
failed.  
2422-xx  
2423-xx  
2424-xx  
2425-xx  
ECG/VGC 640 × 350 16-color set test failed.  
ECG/VGC 640 × 350 64-color set test failed.  
ECG/VGC monochrome text mode test failed.  
ECG/VGC monochrome graphics mode test  
failed.  
2431-xx  
2432-xx  
640 × 480 graphics test failed.  
320 × 200 graphics (256 color mode) test  
failed.  
2448-xx  
2451-xx  
2456-xx  
2458-xx  
Advanced VGA Controller test failed.  
132-column Advanced VGA test failed.  
Advanced VGA 256 color test failed.  
Advanced VGA Bit BLT test failed.  
The following steps apply to error codes 2458-xx  
through 2480-xx:  
2468-xx  
2477-xx  
2478-xx  
2480-xx  
Advanced VGA DAC test failed.  
1. Replace the graphics controller and retest.  
2. Replace the system board and retest.  
Advanced VGA data path test failed.  
Advanced VGA Bit BLT test failed.  
Advanced VGA Linedraw test failed.  
4-33  
Audio  
Table 4-24  
Audio Test Error Codes  
Error Code  
Description  
Recommended Action  
Replace the system board and retest.  
3206-xx  
Audio System Internal Error  
Network Interface  
Table 4-25  
Network Interface Test Error Codes  
Error Code  
Description  
Recommended Action  
6000-xx  
Network ID test failed.  
The following steps apply to error codes 6000-xx through  
6089-xx:  
6014-xx  
Network configuration test failed.  
1. Turn the workstation off then on (cold boot) and run  
Computer Setup.  
2. Verify test procedures.  
3. Replace the network board, if installed.  
4. Replace the system board and retest.  
6016-xx  
6028-xx  
6029-xx  
6054-xx  
6056-xx  
6068-xx  
6069-xx  
6089-xx  
Network reset test failed.  
Network internal test failed.  
Network external test failed.  
Network configuration test failed.  
Network reset test failed.  
Network internal test failed.  
Network external test failed.  
Network open test failed.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-34 Diagnostic Tools  
SCSI Error Codes  
This section includes the error codes for the following SCSI devices:  
Hard drives  
CD-ROM drives  
Tape drives  
■
■
■
The SCSI error codes are written in the format AABB-CC and can be determined by looking up  
the respective parts of the code in the three corresponding tables numbered 4-26, 4-27, and 4-28.  
■
■
■
AA (Table 4-26) identifies the drive type being tested.  
BB (Table 4-27) identifies the type of test.  
CC (Table 4-28) identifies the exact error received.  
For example, if you received a diagnostic error code of 6523-05, you would look at Table 4-26  
to identify the meaning of the first two numbers, 65. This indicates a hard drive problem. The  
second set of two numbers, 23, refers to a random read, as shown in Table 4-27. The last two  
numbers, 05, indicate a seek failure, as listed in Table 4-28. When you combine this information,  
you know that the diagnostics program was testing the random-read functioning of the hard drive  
and received a seek failure. The device is faulty and must be replaced.  
Table 4-26  
SCSI Device Names  
Error Code  
Device  
65XX-XX  
Hard Drive  
66XX-XX  
67XX-XX  
CD-ROM Drive  
Tape Drive  
Table 4-27  
SCSI Test Names  
Error Code  
Failure  
XX00-XX  
ID  
XX05-XX  
XX06-XX  
XX23-XX  
XX28-XX  
Read  
SA/Media  
Random Read  
Media load/unload  
4-35  
Table 4-28  
SCSI Test Error Codes  
Error Code  
Description  
Recommended Action  
Check cable connections.  
XXXX-02  
Drive not installed.  
XXXX-03  
Media not in drive.  
Check for and install DATA CD or write-enabled  
tape in drive.  
XXXX-05  
XXXX-06  
XXXX-07  
XXXX-08  
XXXX-09  
XXXX-10  
XXXX-11  
XXXX-12  
XXXX-13  
XXXX-14  
XXXX-15  
XXXX-16  
XXXX-17  
Seek failure  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Drive timed out.  
Drive busy.  
Drive already reserved.  
Unknown  
Unknown  
Media soft error  
Drive not ready.  
Media error  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
1.Disable write-protect on tape cartridge.  
2.Replace tape drive.  
Drive hardware error  
Illegal drive command  
Media was changed.  
Tape write-protected.  
XXXX-18  
XXXX-21  
65XX-24  
No data detected.  
Replace the indicated device.  
Replace the indicated device.  
Drive command aborted.  
Media hard error  
1. Back up data and perform Surface Analysis to  
reallocate defect.  
2. Replace drive.  
66XX-24  
67XX-24  
Media hard error  
Media hard error  
1. Replace current DATA CD with different DATA  
CD and attempt to read.  
2. Replace drive.  
1. Ensure correct media type for this tape drive.  
2. Replace current tape with new tape.  
3. Replace tape drive.  
XXXX-25  
Unknown  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-36 Diagnostic Tools  
SCSI Test Error Codes Continued  
Error Code  
Description  
Recommended Action  
XXXX-30  
Controller timed out.  
Replace the indicated device.  
XXXX-31  
XXXX-32  
XXXX-33  
XXXX-34  
XXXX-35  
XXXX-36  
XXXX-39  
XXXX-40  
XXXX-41  
XXXX-42  
XXXX-43  
XXXX-44  
XXXX-50  
XXXX-51  
XXXX-52  
XXXX-53  
XXXX-54  
XXXX-60  
XXXX-61  
XXXX-65  
XXXX-90  
Unrecoverable error  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
Replace the indicated device.  
1. Verify fan(s) connections.  
2. Replace nonfunctional fan(s).  
1. Ensure proper air flow.  
Controller/drive disconnected.  
Illegal controller command  
Invalid SCSI bus phase  
Invalid SCSI bus phase  
Invalid SCSI bus phase  
Error status from drive  
Target timed out.  
SCSI bus stayed busy.  
ACK/REQ lines bad.  
ACK did not deassert.  
Parity error  
Data pins bad.  
Data line 7 bad.  
MSG, C/D, and/or I/O lines bad.  
BSY never went busy.  
BSY stayed busy.  
Controller CONFIG-1 register bad.  
Controller CONFIG-2 register bad.  
Media not unloaded.  
Fan failure  
XXXX-91  
XXXX-99  
Over Temperature  
2. Perform required maintenance and cleaning.  
Autoloader reported tapes not loaded properly.  
1. Install tape(s) in autoloader tape drive  
according to test instructions.  
2. Change autoloader magazine.  
4-37  
Upgrading the ROM  
If the Compaq Professional Workstation AP500 does not have a Setup Password enabled, the  
ROM is not write-protected and unauthorized updates can occur. If you need or want to upgrade  
the system ROM, you can:  
■
■
■
Order an upgraded ROMPaq diskette from Compaq.  
Order the Compaq Support Software CD Kit.  
Download the latest ROMPaq images from the Compaq website at www.compaq.com.  
IMPORTANT: To ensure maximum ROM protection, establish a Setup Password. A Setup  
Password prevents unauthorized ROM upgrades.  
Local ROM Upgrade  
To upgrade the ROM:  
1. Insert the ROMPaq diskette in the diskette drive and turn on the workstation.  
CAUTION: To guard against unauthorized updates of the Flash ROM or the  
System BIOS, the Setup Password must be set. See Chapter 5 for procedures on  
establishing a Setup Password.  
2. If prompted, enter the Setup Password.  
NOTE: If the Setup Password is entered correctly, the ROMPaq utility will take over and run the  
ROM upgrade. If the Setup Password is incorrectly entered, the procedure will terminate and no  
changes will be made to the ROM.  
3. When the utility finishes upgrading the ROM, remove the diskette from the diskette drive  
and restart the workstation.  
IMPORTANT: Do not turn off the power to the workstation until the ROMPaq utility has  
completed the upgrade process.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-38 Diagnostic Tools  
Remote ROM Flash  
Remote ROM Flash allows the system administrator to safely upgrade the ROM on remote  
Compaq workstations, directly from the centralized network management console. Enabling the  
system administrator to perform this task remotely, on multiple workstations, results in a  
consistent deployment of and greater control over workstation ROM images over the network. It  
also results in greater productivity and lowers total cost of ownership.  
Compaq created the Remote ROM Flash capability to be secure and fail-safe. All workstation  
ROMPaq ROM images from Compaq are digitally signed to ensure authenticity and minimize  
potential corruption. The ROM firmware includes a Boot Block that is protected during the flash  
process and allows the workstation to be restarted, in the unlikely event of an unsuccessful ROM  
flash.  
Remote ROM Flash is performed in two stages:  
1. The system administrator uses the Remote Management Setup software on a centralized  
management console to prepare the workstation ROMPaq file.  
2. The system administrator uses a PC LAN management product, such as Microsoft SMS,  
Intel LANDesk Manager, or Symantec Norton Administrator for Networks, to distribute  
and execute the file over the network to remote workstations.  
NOTE: The workstation must be powered on, or turned on through Remote Wakeup, to take  
advantage of Remote ROM Flash. Use of Remote ROM Flash also requires an established Setup  
Password.  
For more information on enabling Remote ROM Flash, refer to the online Remote Management  
Administrators Guide. The Remote Management Administrators Guide is included with the  
Remote Management Administration Tools. It is also available in the Support Software CD Kit  
or at the Compaq website at www.compaq.com.  
4-39  
FailSafe Boot Block ROM  
The FailSafe Boot Block ROM enables system recovery in the unlikely event of a system ROM  
upgrade failure, for example, if a power failure occurs during a system ROM upgrade. The Boot  
Block is a flash-protected section of the ROM that checks to validate the system ROM each time  
power to the system is turned on.  
■
■
If the system ROM is valid, the system starts normally.  
If the system ROM fails the validation check, the FailSafe Boot Block ROM provides  
enough support to start the system from a ROMPaq diskette, which programs the system  
ROM with a valid image.  
IMPORTANT: The workstation ships with the Diskette Boot feature enabled. If the diskette  
drive is disabled, the FailSafe Boot Block ROM will override the disabled component to  
accommodate a system ROM recovery in the event a system ROM failure occurs.  
Because there is no video or hard drive support from the Boot Block ROM, the keyboard lights  
communicate information. When the Boot Block detects an invalid system ROM, the system  
sounds a series of beeps (one long and three short) and flashes the three keyboard lights.  
To recover the system after hearing the FailSafe Boot Block beeps:  
1. Remove any diskettes from the diskette drive and turn off the power.  
2. Insert a user ROMPaq diskette into the diskette drive.  
3. Turn on power to the system.  
If a Setup Password has been established, the Caps Lock light will turn on.  
4. Enter the Setup Password.  
When the system successfully starts from the diskette and reprograms the ROM, the  
following three keyboard lights will turn on.  
1
2
3
Figure 4-1. Identifying keyboard lights  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-40 Diagnostic Tools  
The following table lists the various keyboard light combinations, as well as the meaning and  
action associated with each combination.  
Table 4-29  
Keyboard Lights  
Num  
Lock  
Caps  
Lock  
Scroll  
Lock  
Meaning and Required Action  
OFF  
ON  
OFF  
System requires Setup Password.  
Enter the Setup Password. The light remains turned on until you  
enter a valid Setup Password.  
ON  
OFF  
OFF  
System could not start from diskette because the ROMPaq diskette  
is not present, is bad, or the drive is not ready.  
Insert a valid ROMPaq diskette, turn the power off, then turn the  
power on.  
OFF  
ON  
OFF  
ON  
ON  
ON  
ROM upgrade failed.  
Try another ROMPaq diskette. If the light remains turned on,  
contact Compaq customer support.  
ROM upgrade successfully completed.  
Turn power off and back on to resume normal system operation.  
4-41  
Compaq Insight Manager  
Using the industry-standard Simple Network Management Protocol found in Microsoft  
Windows NT, Compaq Insight Manager allows the system administrator to view AssetControl  
data, configuration data, memory change alerts, NIC performance data, and contact information  
from a remote location.  
Compaq Insight Manager also provides the following features to help you support the Compaq  
Professional Workstation AP500:  
■
Remote alerts for Pentium Pro, Pentium II and Pentium III processor prefailure, ECC  
DIMM memory single-bit error prefailure, and SCSI disk drive prefailure notification  
■
■
Alerts logged to the local Windows NT Event Log (logged by the Insight Manager)  
Asset and configuration information collected in a database and accessed by the Insight  
Manager console for remote tracking of workstation assets and configurations  
■
■
Print configuration (similar to INSPECT) reports at the Insight Manager console for  
remote workstations  
Setting performance thresholds on a workstation; you can receive an alert when a  
threshold is exceeded (such as PCI bus utilization threshold or disk volume usage  
threshold).  
■
■
Remote warm and/or cold reboot of a workstation  
Version Control to view versions of Compaq drivers, and system ROM currently running  
on a remote workstation; you can receive a recommendation on updates available from  
Compaq.  
■
■
Alpha pager forwarding to provide workstation alerts to an alpha or numeric pager  
Ability to view health logs on remote workstations to see previous Power-On Self Test  
(POST) errors, critical errors, and ECC memory errors  
■
■
Environment alerts for workstations with a temperature out of the normal range; you can  
also be alerted when the hood is removed.  
Out-of-band management through a modem using point-to-point protocol (PPP) for  
workstations not connected to a network  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
4-42 Diagnostic Tools  
Compaq Workstation SSD for Windows NT  
The Compaq Workstation SSD for Windows NT contains support software and utilities that  
enable you to take advantage of specific capabilities offered on the Compaq Professional  
Workstation. This support software is provided for use with Windows NT Workstation 4.0 on  
Compaq hardware only.  
You can install the following support software using the Compaq Workstation SSD for Windows  
NT:  
■
■
■
■
■
ESS audio driver  
Graphics display drivers  
Network and storage drivers  
Systems management driver  
Logitech OEM drivers  
IMPORTANT: When servicing the workstation, make sure that it is running the latest  
version of the Compaq Workstation SSD for Windows NT drivers for optimum performance.  
To determine the version of SSD installed on the workstation, look at the version in the file  
properties of the SETUPAPP.EXE file in the \WINNT\SYSTEM32\CPQNTSSD workstation  
directory.  
Remote Capability  
This feature allows the ability to install, remove, update, and configure components remotely by  
machine name (computer name); supports distributed computing environment (DCE)  
perspectives.  
Silent Setup Command Line Interface  
This feature provides the functionality of the Graphical User Interface (GUI) in a silent  
command line interface and provides execution output in a log file; provides the ability to  
remotely install or update drivers on multiple remote machines at one time. Also useful for  
Microsoft Systems Management Server Configurations.  
For more information about the Compaq Workstation SSD for Windows NT, read the  
NTREADME.HLP file or run the README. BAT file in the \NTSSD subdirectory on the  
SmartStart for Workstations CD.  
NOTE: To obtain the latest support software, including support software for Microsoft Windows  
NT 4.0, Windows NT 3.51, and Windows 95, updates are available with a subscription to the  
Compaq Support Software CD Kit. The Support Software Management order form included with  
the Compaq Professional Workstation provides information on how to purchase a subscription.  
You can also obtain the latest support software from the Compaq website at www.compaq.com.  
4-43  
Compaq Diagnostics for Windows NT  
Compaq Diagnostics for Windows NT allows you to view information about your workstation’s  
hardware and software configuration from within the Windows NT environment. To install  
Compaq Diagnostics for Windows NT, refer to the Software Installation Guide.  
To use Compaq Diagnostics for Windows NT:  
1. Double-click the Compaq Diagnostics for Windows NT icon located in the Control Panel.  
The screen displays an overview of the workstation hardware and software.  
2. For specific hardware and software information, select a category from the Categories  
menu or from the toolbar. As you move your cursor over the toolbar icons, the  
corresponding category names appear.  
3. Click More in the Information Level box to additional detailed information in a selected  
category.  
Information displayed by Compaq Diagnostics for Windows NT may vary slightly from,  
the information presented in the View System Information (INSPECT).  
4. Review, print, and if necessary, discuss this information with your authorized Compaq  
reseller or service provider. To print the information:  
5. Click File, then select Print.  
6. Select one of the following options:  
❏
❏
❏
Detailed Report (All Categories),  
Summary Report (All Categories),  
Current Category.  
7. Click OK to print the selected report.  
To exit Compaq Diagnostics for Windows NT, click File, then click Exit.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
5-1  
Chapter 5  
System Security  
This chapter identifies and explains the following:  
■
■
Security features  
Advanced security management  
Security Features  
The Compaq Professional Workstation AP500 is equipped with features that secure valuable  
components and system integrity. The following table identifies and explains the security  
features.  
Table 5-1  
Security Features  
Feature  
Purpose  
How It Is Established  
Setup Password  
Allows configuration to be changed.  
Computer Setup  
Power-On Password Prevents use of the workstation when the  
workstation is restarted unless the Power-On  
Password is entered.  
Computer Setup; SW1-S2  
Windows NT  
Workstation  
Password  
Prevents use of the computer when Windows NT  
Workstation starts up unless the password is  
entered.  
Run User Manager by clicking Start,  
Programs, Administrator Tools  
QuickLock/  
QuickBlank  
Disables keyboard and can blank the screen  
without exiting application; enabled with a Power-  
On Password.  
Computer Setup  
Computer Setup  
Serial or Parallel  
Interface Control  
(Must be used in  
combination with the  
Power-On  
Prevents transfer of data through the integrated  
serial or parallel interface.  
Password.)  
Diskette Drive Boot  
Control  
Prevents startup from the diskette drive.  
Computer Setup  
Computer Setup  
Diskette Drive Write Prevents writing to the diskette drive.  
Control  
Cable Lock Provision Inhibits access to the interior of the workstation to Install a padlock with the security bracket to  
prevent unwanted configuration changes or  
component removal. Can also be used to secure  
the workstation to a fixed object.  
inhibit access to the interior of the  
workstation; add a cable lock to secure the  
workstation to a fixed object.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
5-2 System Security  
Password Security  
The workstation supports security password features that can be established through the  
Compaq Computer Setup menu.  
Establishing a Setup Password Using Computer Setup  
To establish a Setup Password:  
1. Turn on or restart the workstation.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press F10 while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. Press Enter to bypass the welcome screens and display the Compaq Utilities menu.  
4. From the Compaq Utilities menu, select Computer Setup and press Enter.  
5. In the Computer Setup window, click Built-in Devices.  
6. In the Built-in Devices window, click Security Management.  
7. Under Setup Password, select Enable Setup Password and follow the instructions on the  
screen.  
8. Save the configuration and exit the utility.  
9. Turn off the workstation, then turn it on to establish the password.  
5-3  
Establishing a Power-On Password Using Computer  
Setup  
To establish a Power-On Password:  
1. Turn on or restart the workstation.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press F10 while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. When prompted, select the desired language.  
4. Press Enter to bypass the welcome screens and display the Compaq Utilities menu.  
5. From the Compaq Utilities menu, select Computer Setup, then press Enter.  
6. In the Computer Setup window, click Built-in Devices.  
7. In the Built-in Devices window, click Security Management.  
8. Under Power-On Password, click Set and follow the instructions on the screen.  
9. Save the configuration and exit the utility.  
10. Turn off the workstation, then turn it on to establish the password.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
5-4 System Security  
Entering a Power-On Password  
To enter the Power-On Password:  
1. Turn on or restart the workstation.  
2. When the key icon (  
) displays, enter your current password carefully.  
NOTE: Type carefully; for security reasons, the characters you type do not appear on screen.  
If you enter the password incorrectly, a broken key icon (  
) displays. Try again. After three  
unsuccessful tries, you must turn off the workstation, then turn it on again before you can  
continue.  
Changing a Power-On or Setup Password  
1. Turn on or restart the workstation. To change the Setup Password, run Computer Setup.  
2. When the key icon (  
) displays, type your current password, a slash (/) or alternate  
delimiter character, your new password, another slash (/) or alternate delimiter character,  
and your new password again as shown:  
current password/new password/new password  
NOTE: Type carefully; for security reasons, the characters you type do not appear on the  
screen. See the section “National Keyboard Delimiter Characters” section in this chapter for more  
information about the alternate delimiter characters.  
The new password takes effect the next time you turn on the workstation.  
Deleting a Power-On or Setup Password  
1. Turn on or restart the workstation. To delete the Setup Password, run Computer Setup.  
2. When the key icon (  
) displays, type your current password followed by a slash (/) or  
alternate delimiter character as shown:  
current password/  
NOTE: See the “National Keyboard Delimiter Characters” section in this chapter for more  
information about alternate delimiter characters.  
5-5  
Clearing a Power-On or Setup Password  
To disable the Power-On and Setup Password features, or to clear the Power-On and Setup  
Passwords if you forget them and cannot access the workstation system or Computer Setup,  
follow these steps:  
1. Turn off the workstation. Disconnect the power cord from the grounded AC outlet and  
from the power connector on the rear of the workstation.  
2. Remove the following components:  
❏
❏
side access panel  
I/O bracket assembly (expansion board assembly)  
3. On SW1, move Switch 1 to the ON position.  
SW1  
on  
1 2 3 4 5 6  
Figure 5-1. Locating the default SW1 switch  
IMPORTANT: Switch 1 has a default setting of OFF. When the switch is OFF, your system  
is password-protected. To re-enable password protection, you must return the switch to its  
default position later in this procedure.  
4. Reassemble the workstation and reconnect the power cord to the grounded AC outlet and  
to the power connector on the rear of the workstation.  
IMPORTANT: You must replace the I/O bracket assembly before you restart the  
workstation. If the assembly is not properly seated, the workstation will not start.  
5. Restart the workstation.  
6. Turn off the workstation once more. Disconnect the power cord from the grounded AC  
outlet and from the power connector on the rear of the workstation.  
7. Remove the side access panel and the I/O bracket assembly to access SW1 on the system  
board.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
5-6 System Security  
8. Return Switch 1 to its original default (OFF) position.  
9. Establish a new Power-On Password, if desired.  
IMPORTANT: Clearing the Power-On Password will also clear the Setup Password. Be  
sure to re-establish your Setup Password after clearing the Power-On Password.  
10. Reassemble and restart the workstation.  
Windows NT Workstation Password  
To establish a password in Windows NT Workstation:  
1. Click Start, Programs, Administrator Tools.  
2. Click User Manager, then follow the instructions to set a new password for “new user.”  
National Keyboard Delimiter Characters  
Each keyboard is designed to meet country-specific requirements. The syntax and keys you use  
for changing or deleting the password depend on the keyboard that came with the workstation.  
The following table identifies the correct delimiter character for each keyboard.  
Table 5-2  
National Keyboard Delimiter Characters  
Arabic  
/
=
-
/
Greek  
-
-
-
/
Slovakian  
Spanish  
-
-
/
-
/
/
.
Belgian  
Hungarian  
Italian  
BHCSY*  
Brazilian  
Chinese  
Czech  
Swedish/Finnish  
Swiss  
Japanese  
Korean  
/
/
Taiwanese  
Thai  
-
-
!
Latin American  
Norwegian  
Polish  
-
-
-
-
/
Danish  
Turkish  
French  
U.K. English  
U.S. English  
/
/
French Canadian  
German  
é
-
Portuguese  
Russian  
* For Bosnia-Herzegovina, Croatia, Slovenia, and Yugoslavia  
5-7  
Advanced Security Management  
You can access the following security features through the Computer Setup option on the  
Compaq Configuration and Diagnostic menu.  
■
■
■
■
■
■
■
■
■
Storage (under Built-in Devices)  
Disable removable media boot ability  
Disable removable media write ability  
Communication (under Built-in Devices)  
Disable serial port  
Disable parallel port  
Security Management (under Built-in Devices)  
QuickLock/QuickBlank  
Cable Lock Provision  
Re-enabling Diskette Boot or Diskette Write  
The workstation ships with the Diskette Boot or Diskette Write features enabled. If a user has  
disabled the factory settings that allow the workstation to be booted from a diskette or to  
prohibit a user from saving data to a diskette, you may need to re-enable the features in order to  
service the workstation. To enable Diskette Boot or Diskette Write:  
1. Turn on the workstation.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press F10 while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. When prompted, select the desired language.  
4. Press Enter to bypass the welcome screens and display the Compaq Utilities menu.  
5. From the Compaq Utilities menu, select Computer Setup, then press Enter.  
6. In the Computer Setup window, click Built-in Devices.  
7. In the Built-in Devices window, click Storage.  
8. Under Removable Media, select the function you want to enable.  
9. Save the configuration and exit the utility.  
10. Restart the workstation.  
NOTE: Compaq recommends that you establish the Setup Password to prevent another user  
from entering the Computer Setup utility and changing any settings.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
5-8 System Security  
Re-enabling a Serial Port or Parallel Port  
To enable either of the serial ports or the parallel port:  
1. Turn on the workstation.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press F10 while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. When prompted, select the desired language.  
4. Press Enter to bypass the welcome screens and display the Compaq Utilities menu.  
5. From the Compaq Utilities menu, select Computer Setup, then press Enter.  
6. In the Computer Setup window, click Built-in Devices.  
7. In the Built-in Devices window, click Communications.  
8. To enable a serial port:  
Under Available Serial Ports, select the port you want to enable.  
Under Settings, select Enabled.  
9. To enable the parallel port:  
Under Settings, select Enable.  
Save the configuration and exit the utility.  
10. Restart the workstation.  
QuickLock/QuickBlank  
The QuickLock and QuickBlank features disable the keyboard and mouse interfaces, and can  
blank the screen without exiting open applications.  
IMPORTANT: You must set a Power-On Password before you can enable QuickLock or  
QuickBlank. For more information, see “Establishing a Power-On Password Using Computer  
Setup” section in this chapter.  
Enabling QuickLock and QuickBlank  
1. Turn on or restart the workstation.  
2. When you see the words F10=Setup in the bottom-right corner of the screen, press F10.  
NOTE: If you do not press F10 while the message is displayed, you must turn off the  
workstation, then on again, to access the utility.  
3. When prompted, select the desired language.  
4. Press Enter to bypass the welcome screens and display the Compaq Utilities menu.  
5. From the Compaq Utilities menu, select Computer Setup, then press Enter.  
5-9  
6. In the Computer Setup windows, click Built-in Devices.  
7. In the Built-in Devices window, click Security Management.  
8. Under Power-On Password, select Enable QuickLock of the Keyboard, then select  
QuickBlank the screen when locked and/or Initiate QuickLock when entering Energy  
Saver mode.  
NOTE: To use Initiate QuickLock when entering Energy Saver Mode, the Power Management  
option must be enabled.  
9. Save the configuration and exit the utility.  
10. Restart the workstation.  
Disabling the Keyboard and Mouse Interface  
Enter the QuickLock key combination (Ctrl+Alt+L) to disable the keyboard and mouse (or  
other input device connected to the mouse connector). The applications you are running cannot  
be accessed, but remain in view unless the QuickBlank feature is also enabled through the  
Computer Setup utility.  
Enabling the Keyboard and Mouse Interface  
To enable the keyboard and mouse interface or other input device, enter the Power-On  
Password.  
Cable Lock Provision  
The workstation is equipped with a cable lock provision to secure the unit to a fixed object  
and/or inhibit access to the interior of the unit. If a cable lock or padlock is installed, you must  
remove it before servicing the workstation. See the “Service Preparations” section in Chapter 3  
for removal procedures.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
6-1  
Chapter 6  
Jumper and Switch Information  
This chapter provides jumper and switch information for the following hardware on the  
Compaq Professional Workstation AP500:  
■
■
■
■
■
Internal and external batteries  
Processor(s)  
Hard drives (SCSI and UATA)  
CD-ROM drive  
Graphics controllers  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
6-2 Jumper and Switch Information  
Battery Jumpers  
J5  
1
Figure 6-1. Locating the J5 Jumper  
Table 6-1  
System Board Configuration Jumper J5 Settings  
Jumper  
Setting  
Function  
Description  
1-4  
Battery  
External battery connection  
J5  
5-6  
6-7  
Battery  
Battery  
External battery jumper  
Internal battery jumper (default)  
6-3  
Switch Settings  
The following illustration shows the location of SW 1. Switch 1 controls the CPU/clock speed  
and the Power-on Password.  
S1 on Switch 1 enables the Power-on Password. The default is OFF. To reset the password, turn  
this switch ON.  
SW1  
Figure 6-2. Locating the System Board SW1  
Table 6-2  
SW1 Settings  
S1  
S2  
S3  
S4  
S5  
S6  
(Password  
On/Off)  
(Processor  
Speed  
Setting)  
(Processor  
Speed  
Setting)  
(Processor  
Speed  
Setting)  
(No  
Connect)  
(ACPI Power  
Button  
Overwrite)  
400/100 MHz  
450/100 MHz  
500/100 MHz  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
OFF  
ON  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
NOTE: S1 OFF = Password enabled (default)  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
6-4 Jumper and Switch Information  
Hard Drives  
The Compaq Professional Workstation AP500 supports Wide-Ultra and Wide Ultra2 SCSI hard  
drives and Ultra ATA hard drives. For specifications on your hard drive, refer to the Service  
Quick Reference Guide.  
32X Max CD-ROM Drive (IDE)  
The jumper settings for the 32X Max CD-ROM drive (IDE) are shown in the following  
illustration.  
C
S
S
L
M
A
C
S
S
L
M
A
C
S
S
L
M
A
Use CSEL  
Slave  
Master  
Figure 6-3. Identifying jumper positions for the 32X Max CD-ROM drive (IDE)  
6-5  
PowerStorm 300/AGP Graphics Controller  
4
5
3
1
2
Figure 6-4. Identifying connector and jumper positions for the PowerStorm 300/AGP Graphics Controller  
Table 6-3  
Connector and Jumper Positions for the  
PowerStorm 300/AGP Graphics Controller  
Identifier  
Function  
1
Standard 15-pin VGA connector  
2
3
4
5
5-pin mini-DID stereo (3D video connector)  
VGA enable/disable jumper  
VGA enabled (default)  
VGA disabled  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-1  
Chapter 7  
Physical and Operating Specifications  
This chapter provides operating and performance specifications for the following Compaq  
Professional Workstation AP500 components:  
■
■
■
■
■
■
■
■
■
■
■
System unit  
Power supply  
Diskette drive  
Zip drive  
CD-ROM and DVD-ROM drives  
Hard drives  
Audio system  
Keyboard  
Mouse (3-button)  
Graphics controllers  
Network controllers  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-2 Physical and Operating Specifications  
System Unit  
Table 7-1  
System Specifications  
(without workstation feet and front bezel)  
U. S.  
Metric  
Dimensions  
Height  
18.70 in.  
8.05 in.  
47.50 cm  
21.08 cm  
59.06 cm  
Width  
Depth  
23.25 in.  
Weight (approximate)  
Power Supply  
54.75 lb.  
28.83 kg  
Operating Voltage Range  
Rated Voltage Range  
Rated Line Frequency  
90 VAC to 264 VAC  
100 VAC to 120 VAC  
50 to 60 Hz  
90 VAC to 264 VAC  
200 VAC to 240 VAC  
50 to 60 Hz  
Rated Input Current (maximum)  
Power Output  
6A @ 115 VAC  
325 W  
3A @ 230 VAC  
325 W  
Environmental Requirements  
Temperature  
Operating  
40° to 95°F  
5° to 35°C  
Shipping  
-40° to 185°F  
-40° to 85°C  
Relative Humidity (noncondensing)  
Operating  
5% to 95%  
5% to 95%  
5% to 95%  
5% to 95%  
Nonoperating  
Maximum Altitude (unpressurized)  
Operating  
10,000 ft  
3048 m  
Nonoperating  
50,000 ft  
15240 m  
1830 BTU/hr  
Heat Dissipation (nominal)  
1830 BTU/hr  
7-3  
Table 7-2  
System Interrupts  
Hardware IRQ  
System Function  
IRQ 0  
System timer  
IRQ 1  
IRQ 2  
IRQ 3  
IRQ 4  
IRQ 5  
IRQ 6  
IRQ 7  
IRQ 8  
IRQ 9  
IRQ 10  
IRQ 11  
IRQ 12  
IRQ 13  
IRQ 14  
IRQ 15  
Keyboard (not on ISA Bus)  
Used by Interrupt Controller 2  
Serial port (COM 2)  
Serial port (COM 1)  
ESS sound chip  
Diskette drive  
Parallel port (LPT 1)  
Real-time clock  
Unavailable (used for ACPI support)  
Unused  
PCI Interrupts  
Mouse  
Non-catastrophic errors/CPU error  
Primary IDE controller  
Secondary IDE controller  
Table 7-3  
System Direct Memory Access (DMA)  
Hardware DMA  
System Function  
DMA 0  
Business audio (default)  
DMA 1  
DMA 2  
DMA 3  
DMA 4  
DMA 5  
DMA 6  
DMA 7  
Business audio (default)  
Diskette drive  
ECP Parallel port LPT1 (default)  
DMA Controller cascading (not on ISA Bus)  
Unused  
Unused  
Unused  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-4 Physical and Operating Specifications  
Table 7-4  
System I/O  
I/O Address (Hex)  
System Function (Shipping Configuration)  
000 - 00F  
DMA Controller # 1  
010 - 01F  
020 - 03F  
040 - 043  
044 - 04F  
050 - 052  
053 - 05F  
060  
Motherboard  
Interrupt controller # 1  
Counter/timer registers  
Unused  
Motherboard  
Unused  
Keyboard controller  
Port B  
061  
062 - 063  
064  
Unused  
Keyboard controller  
Unused  
065 - 06F  
070 - 071  
072 - 079  
07A - 07F  
080 - 08F  
090 - 09F  
0A0 - 0BF  
0C0 - 0DF  
0E0 - 0EF  
0F0 - 0FF  
100 - 15B  
15C - 15D  
15E - 16F  
170 - 177  
178 - 1EF  
1F0 - 1F7  
1F8 - 200  
NMI Enable/real-time clock  
Motherboard  
Unused  
DMA Page registers  
Motherboard  
Interrupt controller # 2  
DMA Controller # 2  
Unused  
Co-processor  
Unused  
Super I/O index/data register  
Unused  
Fixed disk controller  
Unused  
Reserved - fixed disk controller  
Unused  
Continued  
7-5  
System I/O Continued  
I/O Address (Hex)  
System Function (Shipping Configuration)  
201  
Audio  
202 - 21F  
220 - 22F  
230 - 273  
274 - 277  
278 - 27F  
280 - 2E7  
2E8 - 2EF  
2F0 - 2F7  
2F8 - 2FF  
300 - 32F  
330 - 331  
332 - 36F  
370 - 377  
378 - 37F  
380 - 387  
388 - 38B  
38C - 397  
398 - 399  
39A - 3AF  
3B0 - 3BB  
3BC - 3BF  
3C0 - 3DF  
3E0 - 3E7  
3E8 - 3EF  
3F0 - 3F7  
3F8 - 3FF  
Unused  
Audio (Alternate = 240- 24F, 260 - 26F, or 280 - 28F)  
Unused  
ISA PnP  
Reserved parallel port  
Unused  
Reserved serial port  
Unused  
Serial port  
Unused  
Audio  
Unused  
Reserved - fixed disk controller  
Parallel port (primary)  
Unused  
Audio  
Unused  
Motherboard  
Unused  
MDA, EGA/VGA  
Reserved (parallel port)  
EGA/VGA  
Unused  
Reserved (serial port)  
Diskette controller  
Serial port (primary)  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-6 Physical and Operating Specifications  
Table 7-5  
Memory Addresses  
Memory Address  
Size  
System Function  
FFFFFFFFh to FFF80000h  
512 KB  
System ROM  
FEEFFFFFh to FEE00000h  
FECFFFFFh to FEC00000h  
C7FFFFFFh to 50000000h  
3FFFFFFFh to 01000000h  
00FFFFFFh to 00100000h  
000FFFFFh to 000F0000h  
000EFFFFh to 000E0000h  
000DFFFFh to 000C0000h  
000BFFFFh to 000A0000h  
0009FFFFh to 00000000h  
1024 KB  
1024 KB  
1,966,080 KB  
1,032,192 KB  
15,360 KB  
64 KB  
Local APIC address range  
I/O APIC address range  
PCI Memory expansion  
HOST Memory expansion  
HOST or ISA Memory expansion  
System ROM  
64 KB  
Expansion system ROM  
Option ROM  
128 KB  
128 KB  
Video RAM  
640 KB  
Base memory  
1 KB = 1024 bytes. Any memory above host memory is non-cacheable.  
7-7  
325W Power Supply  
Table 7-6  
325W Power Supply Specifications  
Input Specifications  
Low Range  
High Range  
Rated input voltage  
100 to 120 VAC  
200 to 240 VAC  
3A @ 230 VAC  
50 to 60 Hz  
Rated input current  
Rated input frequency  
General specifications  
Input power  
6A @ 115 VAC  
50 to 60 Hz  
540W  
16ms  
325W  
16W  
540W  
16ms  
325W  
16W  
Holdup time  
Full output rating  
Minimum load  
Ambient temperature range  
Operating  
40ºF to 95ºF  
5ºC to 35ºC  
Storage  
-40ºF to 185ºF  
-40ºC to 85ºC  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-8 Physical and Operating Specifications  
Diskette Drive  
Table 7-7  
1.44-MB Diskette Drive  
Size and Capacity  
Size (in.)  
3.5  
High density (MB)  
Low density (KB)  
Light  
1.44  
720  
Green  
One third  
512  
Height  
Bytes per Sector  
Sectors per Track  
High density  
18  
9
Low density  
Tracks per Side  
High density  
80  
80  
2
Low density  
Read/Write Heads  
Average Access Time (ms)  
Track-to-track (high/low)  
Average (high/low)  
Latency average (ms)  
Data Transfer Rate (Mbit/s)  
High/low (to/from media)  
3/6  
94/173  
100  
500/250 Kb/s  
7-9  
Zip Drive  
Table 7-8  
100-MB ZIP Drive  
Data Transfer Rate  
Sustained  
Up to 11.2 Mbits/sec  
Burst  
Up to 88.9 Mbits/sec  
Seek Time (includes settling time)  
Minimum  
40.0 ms  
29.0 ms  
55.0 ms  
10.2 ms  
2941 rpm  
5.0 ms  
Average  
Maximum  
Latency (average rotational delay)  
Spindle speed  
Track-to-track access time  
Average head switch time  
Head reload time  
Start/stop time (average)  
Start  
11.0 ms  
200.0 ms  
3 seconds  
Stop  
2 seconds  
Spares Capacity  
Form Factor Width  
Weight  
1.6 MB  
98.0 mm (3.875 in)  
49.6 gm (1.75 oz)  
3.0 M  
Drop height/shock  
Insertion/removal cycles  
Estimated shelf life  
2,000 minimum  
10 years  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-10 Physical and Operating Specifications  
CD-ROM Drive  
Table 7-9  
32X Max Tray-Load CD-ROM Drive (IDE)  
Disk  
Diameter  
12 cm  
Capacity  
Mode 1  
540 MB  
650 MB  
1.2 mm  
1.6 µm  
Mode 2  
Disk thickness  
Track pitch  
Performance  
Access time  
Random seek  
Full stroke seek  
Data transfer rate  
<100 ms  
<150 ms  
150 KB/s  
Sustained  
Burst  
2100 to 4800 KB/s (14x to 32x variable)  
Bus rate  
4.0 MB/s  
128 KB/s  
Cache/buffer  
Start-up time  
Single  
<7 s  
Multisession  
Stop-time  
Error rates  
<30 s  
< 4 s  
-9  
10  
Soft error  
Hard error  
Seek error  
-12  
10  
-6  
10  
Continued  
7-11  
32X Max CD-ROM Drive (IDE) Continued  
Dimensions  
Height  
42.9 mm  
Width  
150.1 mm  
208.0 mm  
1200 g  
Depth  
Weight  
Audio Interface  
Line out connector  
RMS Output voltage  
S/N ratio  
0.7 Vrms  
80 dB  
Channel separation  
Noise  
65dB  
0.1%  
Frequency response  
Digital audio out connector  
20 to 20 KHz  
2-pin digital audio out connector described in the ATAPI spec., 2.6, section 11.1 must  
be included. This serial digital audio out must conform to the IEC-958 EIAJ CP-1201  
format.  
Electrical  
DC Power requirements  
5 VDC +/-5%  
12 VDC +/-5%  
DC Current  
100 mV ripple p-p  
200 mV ripple p-p  
5 VDC +/-5% (typical)  
450 mA  
5 VDC =/-5% (maximum)  
1800 mA  
12 VDC +/-5% (typical)  
600 mA  
12 VDC =/-5% (maximum)  
1800 mA  
Total drive power (standby mode) < 1 W  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-12 Physical and Operating Specifications  
DVD-ROM Drive  
Table 7-10  
6X Max DVD-ROM Drive  
Disk  
Diameter  
Capacity  
12 cm  
4.7 GB  
9.46 GB  
Mode 1  
Mode 2  
550 MB (Mode 1,2,12cm)  
640 MB (Mode 2,12cm)  
180 MB (8 cm)  
Disk thickness  
Track pitch  
1.2 mm  
0.74 µm  
Performance  
Access time (typical)  
Random seek  
<180 ms  
<300 ms  
Full stroke seek  
Data transfer rate  
150 KB/s (sustained, 1xCD-ROM mode)  
1200 to 4800 KB/s (32x CAV CD-ROM mode)  
2705 to 8115 KB/s (6x CAV DVD mode)  
Sustained  
Burst  
Bus rate  
4.0 MB/s  
Cache/buffer  
Start-up time  
Single  
512 KB/s (minimum)  
<10 s  
< 3 s  
Stop-time  
Error rates  
-15  
10  
Soft error  
Hard error  
Seek error  
-20  
10  
-6  
10  
Continued  
7-13  
6X Max DVD-ROM Drive Continued  
Dimensions  
Height  
41.3 mm  
Width  
148 mm  
208.0 mm  
1200 g  
Depth  
Weight  
Audio Interface  
Line out connector  
RMS Output voltage  
S/N ratio  
0.7 Vrms  
80 dB  
Channel separation  
Noise  
65dB  
0.1%  
Frequency response  
Digital audio out connector  
20 to 20 KHz  
2-pin digital audio out connector described in the ATAPI spec., 2.6, section 11.1 must  
be included. This serial digital audio out must conform to the IEC-958 EIAJ CP-1201  
format.  
Electrical  
DC Power requirements  
5 VDC +/-5%  
12 VDC +/-5%  
DC Current  
100 mV ripple p-p  
200 mV ripple p-p  
5 VDC +/-5% (typical)  
450 mA  
5 VDC =/-5% (maximum)  
1800 mA  
12 VDC +/-5% (typical)  
600 mA  
12 VDC =/-5% (maximum)  
1800 mA  
Total drive power (standby mode) < 1 W  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-14 Physical and Operating Specifications  
Hard Drives  
Table 7-11  
4.3-GB Wide-Ultra SCSI Hard Drive  
7200 rpm drive  
10K rpm drive  
Capacity  
4.3 GB  
4.3 GB  
Transfer rate  
Media  
13.56 to 21.58 MB/s  
5.0 MB/s  
19 to 28.9 MB/s  
10.0 MB/s  
Asynchronous  
Synchronous  
Seek time (typical)  
Single track  
Average  
Up to 40.0 MB/s  
Up to 40.0 MB/s  
2.0 ms (read)  
7.5 ms (read)  
15.0 ms (read)  
7200 rpm  
8420  
0.8 ms (read)  
5.4 ms (read)  
<12.2 ms (read)  
10K rpm  
Full stroke  
Disk rotation speed  
Cylinders  
6962  
Data heads/cylinder  
Sectors/track  
Buffer size  
5
6
165-264 (8 zones)  
384 KB  
167-254 (11 zones)  
1024 KB  
NOTE: Drive performance may vary slightly depending upon the vendor.  
7-15  
Table 7-12  
9.1-GB Wide-Ultra SCSI Hard Drive 7200 rpm  
Capacity  
Transfer rate  
Media  
9.1 GB  
13.6 to 21.3 MB/s  
5.0 MB/s  
Asynchronous  
Synchronous  
Seek time (typical)  
Single track  
Up to 40.0 MB/s  
1.6 ms  
Average  
7.5 ms  
Full stroke  
15.0 ms  
7200 rpm  
8419  
Disk rotation speed  
Cylinders  
Data heads/cylinder  
Sectors/track  
Buffer size  
10  
165 to 264 (8 zones)  
384 KB  
NOTE: Drive performance may vary slightly, depending upon the vendor.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-16 Physical and Operating Specifications  
Table 7-13  
6.4-GB Ultra ATA Hard Drive  
Capacity  
6.4 GB  
65 (soft)  
Drive type  
Transfer rate  
Media  
10.38 to 17.5 MB/s  
33.3 MB/s  
Interface  
Seek time (typical)  
Single track  
Average  
2.0 ms  
9.5 ms  
20.0 ms  
5400 rpm  
13,328  
15  
Full stroke  
Disk rotation speed  
Cylinders  
Data heads (logical)  
Sectors/track (logical)  
Buffer size  
63  
128 to 256 KB  
NOTE: Drive performance may vary slightly depending upon the vendor.  
7-17  
Table 7-14  
10-GB Ultra ATA Hard Drive (7200 RPM)  
Drive Configuration  
Drive Performance  
User capacity  
10.0-GB  
Spin-up time (power on to not busy)  
Typ. = 18 seconds  
Max = 31 seconds  
Data cylinders  
Physical  
Spin-down time  
Typ. = N/A  
Max = 20 seconds  
13097  
16383  
Logical  
Data heads  
Physical  
Logical  
Seek times (busy to seek complete)  
Single track read (ms)  
Average read (ms)  
7
16  
Typ. = 1.7; Max = 2.4  
Typ. = 8.5; Max = 9.5  
Typ. = 15.0; Max = 18.0  
Full stroke read (ms)  
Sectors per track  
Physical (ID or OD)  
Logical  
Average latency, maximum  
4.17 ms  
165 to 264  
63  
Max LBA  
19,541,087  
Data transfer rate  
Disk to buffer (ID or OD)  
Interface:  
92.2 to 163.7 MB/s  
Total number of LBAs  
19,541,088  
PIO mode 4, DMA mode 2  
Ultra DMA mode 2  
16.7 MB/s  
33.3 MB/s  
Data bytes per sector  
Sector interleave  
512  
1:1  
34  
RPM  
7200 + 0.1 %  
Number of ECC bytes  
returned on RL/WL  
command  
Recording method  
16/17 PRML  
NOTE: Drive performance may vary slightly depending upon the vendor.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-18 Physical and Operating Specifications  
Table 7-15  
18-GB Wide Ultra2 Hard Drive (10,000 RPM)  
Performance Criteria  
Value  
Capacity  
18.2 GB  
Set Capacity  
18209 MB  
Data Cylinders  
Data Heads/Cylinders  
Sectors/Track  
6962  
24  
167-254 (11 Zones)  
Data Bytes/Sector  
Buffer Size  
512  
1024 kB  
1:1  
Sector Interleave  
Maximum Time From  
Power On to Selection  
Reset to Selection  
3 seconds (from power applied)  
250 ms (from power applied)  
Seek Times, Typical  
READWRITE  
Track to Track  
Average  
1.0 ms1.3 ms  
6.2 ms6.8 ms  
<18 ms<20 ms  
Full Stroke  
Disk Rotation Speed, Nominal  
Average Latency, Maximum  
Max. Data Transfer Rate  
10025 rpm  
2.99 ms  
To/From Disc.  
@ Interface  
19 – 28.9 MB/s  
Asynchronous  
Synchronous  
10 MB/s  
Up to 40 MB/s  
Monitor and Performance Limits  
Spin-Up  
45.3 sec  
0.9 ms  
8.8 ms  
15.6 ms  
7200  
Test 1, Track Seek  
Test 2, 1/3 rd Stroke Seek  
Test 3, Full Seek  
Reallocated Sectors  
NOTE: Drive performance may vary slightly depending upon the vendor.  
7-19  
Audio System  
Table 7-16  
Audio System  
Sampling rate  
4 KHz to 48 KHz (adjustable)  
Maximum voltage (rms)  
Microphone-in  
Line-in  
0.030  
0.7  
Headphone-out  
Line-out  
N/A  
0.7  
Impedance (nominal)  
Microphone-in  
Line-in  
1-K ohm  
20-K ohms  
16 ohms (min)  
20-K ohms  
Headphone-out  
Line-out  
Speaker  
Frequency response  
Data types  
150 Hz to 15K Hz  
alaw  
8-/16-bit  
8-/16-bit  
16-bit  
µlaw  
mono/stereo  
Keyboard  
Table 7-17  
Compaq Enhanced Keyboard  
Dimensions  
U.S.  
Metric  
Height  
Width  
Depth  
1.3 in.  
18.3 in.  
6.4 in.  
3.3 cm  
46.5 cm  
16.1 cm  
Weight  
3.0 lb  
1.4 kg  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-20 Physical and Operating Specifications  
Mouse  
Table 7-18  
3-Button Mouse  
Dimensions  
U.S.  
Metric  
Height  
Length  
Width  
1.42 in.  
4.17 in.  
2.87 in.  
3.6 cm  
10.7 cm  
7.4 cm  
Weight  
5.20 oz  
400 dpi  
150 g  
Base Resolution  
Tracking Speed (maximum)  
Temperature  
10 in./sec  
25 cm/sec  
Operating  
Storage  
32°F to 104°F  
-4°F to 140°F  
0°C to 40°C  
-20°C to 60°C  
Lifetime  
Mechanical  
Switch  
Exceeds 300 miles  
Exceeds 483 km  
Exceeds 1 million operations  
Exceeds 1 million operations  
Relative Humidity  
ESD  
10% to 90%, noncondensing  
No soft errors through 8 kV; no hard errors through 10 kV; specific performance  
depends on host system  
7-21  
Graphics Controllers  
Table 7-19  
GLoria Synergy+ Graphics Controller  
Maximum Color Support  
Resolutions  
Colors  
Colors  
Maximum Refresh Rate  
4-MB Standard  
4-MB Standard with  
4-MB Upgrade  
1920 x 1200  
1920 x 1080  
1600 x 1280  
1600 x 1200  
1600 x 1000  
1536 x 1152  
1280 x 1024  
1152 x 864  
1024 x 768  
800 x 600  
256  
256  
32K  
32K  
32K  
32K  
32K  
32K  
16M  
16M  
16M  
16M  
16M  
75 Hz  
80 Hz  
32K  
32K  
32K  
32K  
32K  
16M  
16M  
16M  
16M  
75/85 Hz  
85 Hz  
100 Hz  
85 Hz  
100/80 Hz  
100 Hz  
100 Hz  
100 Hz  
100 Hz  
640 x 480  
Table 7-20  
Compaq PowerStorm 300 Graphics Controller  
Maximum Color Support  
Resolution  
3D Acceleration with Double Buffering,  
Colors Supported  
Texture Memory  
Maximum Refresh  
Rate  
1280 x 1024  
1024 x 768  
800 x 600  
640 x 480  
16M  
16M  
16M  
16M  
16 MB  
16 MB  
16 MB  
16 MB  
85 Hz  
85 Hz  
85 Hz  
85 Hz  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-22 Physical and Operating Specifications  
Table 7-21  
Matrox Productiva G100 Multi-Monitor Series Graphics Controller  
Maximum Display Resolutions  
Graphics Memory  
Colors  
Maximum Display Area  
256 colors (8-bit)  
1800 x 1440 / 1920 x 1200  
1600 x 1200 / 1920 x 1080  
1280 x 1024  
4 MB  
32/64K colors (15/16-bit)  
16M colors (24-bit)  
16M colors (32-bit)  
1152 x 864  
Table 7-22  
Matrox Productiva G100 Multi-Monitor Series  
Maximum Color Support  
Resolutions*  
Colors  
Maximum Refresh Rate (Hz)  
640 x 480  
16.7M  
200  
200  
140  
120  
100  
85  
800 x 600  
16.7M  
16.7M  
16.7M  
16.7M  
32,768  
65,536  
256  
1024 x 768  
1152 x 864  
1280 x 1024  
1600 x 1200  
1920 x 1080  
1920 x 1200  
1800 x 1440  
75  
70  
256  
65  
*Maximum refresh rates are attainable when using 8- or 16-bit palettes. Maximums may not be attainable at the highest  
display resolutions with a 24- or 32-bit color palette.  
7-23  
Table 7-23  
Matrox Productiva G100 Multi-Monitor Series Graphics Controller  
Refresh Rates  
Display Resolution*  
Horizontal Refresh Rate (kHz)  
Vertical Refresh Rate (Hz)  
640 x 480  
800 x 600  
31-102  
60-200  
60-200  
60-140  
60-120  
60-100  
60-85  
38-114  
48-113  
54-110  
64-107  
75-106  
68-88  
1024 x 768  
1152 x 864  
1280 x 1024  
1600 x 1200  
1920 x 1080  
1920 x 1200  
1800 x 1440  
60-75  
75-91  
60-70  
89-97  
60-65  
* Maximum refresh rates are attainable when using 8- or 16-bit color palettes. Maximums may not be attainable at the  
highest display resolutions with a 24- or 32-bit color palette  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
7-24 Physical and Operating Specifications  
Table 7-24  
Millennium G200 Graphics Controller  
Maximum Color Support  
Resolutions  
Colors  
Maximum Refresh Rate (Hz)  
640 x 480  
16.7M  
200  
800 x 600  
16.7M  
16.7M  
16.7M  
16.7M  
16.7M  
16.7M  
16.7M  
65,536  
180  
140  
120  
100  
75  
1024 x 768  
1152 x 864  
1280 x 1024  
1600 x 1200  
1920 x 1080  
1920 x 1200  
1800 x 1440  
70  
65  
70  
7-25  
Network Controller  
Table 7-25  
Ethernet Network Interface Controller (NIC)  
Physical connector  
RJ-45  
Operating environment  
Temperature  
Humidity  
50° to 95°F  
10% to 90%, noncondensing  
10° to 35°C  
Electrical bus  
32-bit PCI bus  
RJ-45 Network Cable Specifications  
The RJ-45 connections use an unshielded twisted pair (UTP) cable of 22-, 24-, or 26-gauge. The  
cable must comply with the IEEE 802.3 10BASE-T standard. The maximum distance between  
the computer and the hub is 100 meters.  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
8-1  
Chapter 8  
External Connectors  
This chapter provides an overview of the external connectors, including pin assignments, for the  
Compaq Professional Workstation AP500.  
Physical Location  
The following illustration identifies the physical location of each connector. See the  
corresponding table for connector names.  
1
4
5
15  
2
3
6
7
9
8
10  
12  
14  
11  
13  
Figure 8-1. Overview of external connectors  
Table 8-1  
External Connectors  
Reference  
Connector  
Function  
Power cord connector  
Connects to the power cord  
1
Audio line-out connector  
Connects to an external amplifier that powers additional speakers  
or a tape deck for recording  
2
Headphone jack  
Connects to headphones  
3
4
Audio line-in connector  
Connects a device that supplies sound (tape deck, CD-ROM or  
DVD-ROM player)  
Microphone jack  
Connects to a microphone  
5
6
Keyboard connector  
Connects to a keyboard (orange icon)  
Continued  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
8-2 External Connectors  
External Connectors Continued  
Reference  
Connector  
Function  
Mouse connector  
Serial connector  
Connects to a mouse (green icon)  
Connects to a serial device  
Connects to a serial device  
Connects a parallel device (printer)  
Connects to a SCSI device  
Connects to the Ethernet network  
Connects to a monitor (standard)  
Connects to USB devices  
7
8
9
:
;
<
=
>
?
Serial connector  
Parallel connector  
Wide-Ultra SCSI connector  
RJ-45 connector  
VGA (AGP) connector  
USB connectors (2)  
Wide Ultra2 SCSI connector  
Connects a Wide Ultra2 SCSI device  
8-3  
Pin Assignments  
Table 8-2  
Keyboard  
Connector and Icon (Orange)  
Pin  
1
Signal  
Data  
6
5
2
Unused  
Ground  
+5 VDC  
Clock  
KEY  
4
3
3
2
1
4
5
6
Reserved  
Table 8-3  
Mouse  
Connector and Icon (Green)  
Pin  
Signal  
1
Data  
6
5
KEY  
4
3
2
3
4
5
6
Reserved  
Ground  
+5 VDC  
Clock  
2
1
Reserved  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
8-4 External Connectors  
Table 8-4  
Parallel Interface  
Connector and Icon  
Pin  
Signal  
Strobe  
1
13 12 11 10  
9
8
7
6
5
4
3
2
1
2
3
Data Bit 0  
Data Bit 1  
Data Bit 2  
Data Bit 3  
Data Bit 4  
Data Bit 5  
Data Bit 6  
Data Bit 7  
Acknowledge  
Busy  
25 24 23 22 21 20 19 18 17 16 15 14  
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18-25  
Paper end  
Select  
Auto linefeed  
Error  
Initialize printer  
Select IN  
Signal ground  
8-5  
Table 8-5  
Serial Interfaces  
Connector and Icon  
Pin  
Signal  
Carrier detect  
1
2
3
4
5
6
7
8
9
Receive data  
1
2
3
4
5
Transmit data  
Data terminal ready  
Signal ground  
Data set ready  
Request to send  
Clear to send  
6
7
8
9
Ring indicator  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
8-6 External Connectors  
Table 8-6  
Monitor  
Connector and Icon  
Pin  
Signal  
Red analog  
1
5
4
3
2
1
10  
9
8
7
6
2
3
Green analog  
Blue analog  
15 14 13 12 11  
4
Monitor ID Bit 2  
Ground  
5
6
Ground analog  
Ground analog  
Ground analog  
Not connected  
Ground  
7
8
9
10  
11  
12  
13  
14  
15  
Monitor ID Bit 0  
Bi-directional Data (SDA)*  
Horizontal sync  
Vertical sync  
Data clock (SCL)*  
2
*For DDC support (I C monitors)  
8-7  
Table 8-7  
Ethernet RJ-45  
Connector and Icon  
Pin  
Signal  
1 3 5 7  
2 4 6 8  
1
(+) Transmit data  
2
3
4
5
6
7
8
(-) Transmit data  
(+) Receive data  
Unused  
Unused  
(-) Receive data  
Unused  
Unused  
Table 8-8  
Universal Serial Bus (USB)  
Connector and Icon  
Pin  
1
Signal  
VCC  
2
-Data  
+Data  
Ground  
1
1
2
2
3
4
4
3
4
3
Compaq Professional Workstation AP500 Maintenance and Service Guide  
8-8 External Connectors  
Table 8-9  
SCSI Connector  
Connector and Icon  
Pin  
Signal  
Pin  
Signal  
1-16  
Ground  
TERMPWR  
Reserved  
Ground  
-D12  
-D13  
-D14  
-D15  
-DP1  
-D0  
51 - 52  
TERMPWR  
Reserved  
Ground  
-ATN  
Ground  
-BSY  
-ACK  
-RST  
17 - 18  
19  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
20 - 34  
35  
36  
37  
38  
39  
-MSG  
-SEL  
40  
41  
-D1  
-C/D  
42  
-D2  
-REQ  
-I/O  
43  
-D3  
44  
-D4  
-D8  
45  
-D5  
-D9  
46  
-D6  
-D10  
47  
-D7  
-D11  
48  
-DP0  
Ground  
49 - 50  
8-9  
Table 8-10  
Line-In Connector  
Connector and Icon  
Signal  
Audio In  
Table 8-11  
Line-Out Connector  
Connector and Icon  
Signal  
Audio Out  
Table 8-12  
Microphone Connector  
Connector and Icon (Blue)  
Signal  
Stereo 1/8-inch Miniphone  
Table 8-13  
Headphone Connector  
Connector and Icon  
Signal  
Stereo 1/8-inch Miniphone  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-1  
64-MB memory module  
spares part number 1-4  
Index  
7
7200 rpm hard drive  
removal and replacement 3-28  
1
1.0-inch drive 3-22  
1.6-inch drive 3-22  
9
10,000 rpm hard drive  
9.1-GB wide ultra2 SCSI hard drive 10,000 rpm  
spares part number 1-4  
9.1-GB wide ultra2 SCSI hard drive 7200 rpm  
spares part number 1-4  
removal and replacement 3-31  
10-GB ultra ATA hard drive  
spares part number 1-4  
128-MB memory module  
9.1-GB wide-ultra SCSI hard drive  
spares part number 1-4  
spares part number 1-4  
18-GB wide ultra2 SCSI hard drive 10,000 rpm  
spares part number 1-4  
18-GB wide-ultra SCSI hard drive 10,000 rpm  
spares part number 1-4  
A
About This Guide vii  
Accelerated Graphics Port (AGP) graphics controller  
spares part number 1-6  
access to Compaq Utilities Menu 4-19  
advanced security management 5-7  
AGP See Accelerated Graphics Port (AGP)  
graphics controller  
2
256-MB memory module  
spares part number 1-4  
AGP graphics controller  
connector 3-45, 8-2  
removal and replacement 3-16  
audio  
3
32-MB memory module  
spares part number 1-4  
resolving hardware conflicts 4-18  
specifications 7-19  
test error codes 4-33  
4
4.3-GB wide ultra2 SCSI hard drive 7200 rpm  
spares part number 1-4  
4.3-GB wide ultra2 SCSI hard drive10,000 rpm  
spares part number 1-4  
4.3-GB wide-ultra SCSI hard drive  
spares part number 1-4  
4.3-GB wide-ultra SCSI hard drive 10,000 rpm  
spares part number 1-4  
audio connector  
pin assignments  
line-in 8-9  
line-out 8-9  
audio line-in connector 8-1  
audio line-out connector 8-1  
B
5
backplane board  
removal and replacement 3-18  
spares part number 1-3  
baffle  
spares part number 1-7  
battery  
50-to 68-pin SCSI cable adapter  
spares part number 1-5  
5-device SCSI cable  
illustrated 3-41  
jumper 3-45  
jumper settings 6-2  
battery, external  
spares part number 1-4  
bay configurations 3-21, 3-22  
6
6.4-GB ultra ATA hard drive  
spares part number 1-4  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-2  
1.0-inch drive 3-22  
spares part number 1-6  
1.6-inch 3-22  
3.5-inch bay 3-22  
5.25-inch bay 3-22  
CD-ROM drive 3-22  
diskette drive 3-22  
illustrated 3-22  
Compaq Fast Ethernet NIC NC3122  
spares part number 1-6  
Compaq Fast Ethernet NIC NC3161  
spares part number 1-6  
Compaq Insight Manager and Insight Management  
features 4-41  
beeps, system 4-39  
blank drive bezel  
Compaq Multimedia Sound System (US)  
spares part number 1-7  
removal and replacement 3-7  
spares part number 1-3, 1-7  
bracket  
Compaq Setup and Diagnostics utilities 4-19  
Compaq SMART-2SL array controller  
spares part number 1-6  
spares part number  
cable lock 1-3  
Compaq SmartStart for Workstations CD  
spares part number 1-7  
Compaq Utilities Menu, accessing 4-19  
Compaq website ix  
Compaq Workstation SSD for Windows NT 4-42  
Computer Checkup (TEST) 4-23  
accessing 4-20  
attended testing precaution 4-24  
running 4-23  
Computer Setup features 4-21  
configuration and diagnostics utilities  
Computer Checkup (TEST) 4-23  
Computer Setup 4-21  
C
cable kit  
spares part number 1-5  
cable lock bracket  
removal and replacement 3-3  
spares part number 1-3  
cable lock provision 5-9  
cables  
CD-ROM drive, disconnecting 3-24  
diskette drive, disconnecting 3-26  
hard drive, disconnecting 3-28  
Caps Lock 4-40  
View System Information (INSPECT) 4-24  
controller parts 1-6  
creating a diagnostics diskette 4-20  
card guide  
removal and replacement 3-17  
spares part number 1-7  
cautions 2-2  
D
DAT drive  
CD-ROM drive  
spares part number 1-4  
deleting a Power-on Password 5-4  
deleting a Setup Password 5-4  
delimiter characters 5-6  
Device Names  
SCSI 4-34  
diagnostic error codes  
audio 4-33  
cables, disconnecting 3-24  
jumper settings 6-4  
removal and replacement 3-24  
spares part number 1-4  
specifications 7-10, 7-12  
test error codes 4-30  
troubleshooting 4-14  
changing a Power-on Password 5-4  
changing a Setup Password 5-4  
chassis  
CD-ROM drive 4-30  
diskette drive 4-28  
keyboard 4-27  
spares part number 1-3  
clearing a Power-on Password 5-5  
clearing a Setup Password 5-5  
communication parts 1-6  
Compaq Diagnostics for Windows NT, using 4-43  
Compaq Ethernet NIC NC1120  
spares part number 1-6  
Compaq Fast Ethernet NIC NC3120  
memory 4-27  
microprocessor 4-26  
modem 4-29  
mouse 4-29  
network controller 4-33  
pointing device 4-29  
printer 4-28  
Index-3  
diagnostic error codes Continued  
SCSI 4-35  
EMI shield  
removal and replacement 3-8  
spares part number 1-3, 1-7  
EMI shield, removal and replacement 3-29, 3-33  
enabling the keyboard and mouse interface 5-9  
entering a Power-on Password 5-4  
equipment symbols 2-3  
error codes  
serial interface 4-29  
tape drive 4-30  
video 4-31  
diagnostics diskette, creating 4-20  
diagnostics partition 4-25  
diagnostics utilities  
error codes 4-25  
audio 4-33  
SCSI error codes 4-34  
DIMM sockets  
CD-ROM drive 4-30  
diagnostics utilities 4-25  
diskette drive 4-28  
illustrated 3-46  
DIMM sockets 1-4 3-45  
disassembly, preparation for 3-2  
disconnecting  
graphics controller 4-31  
keyboard 4-27  
memory 4-27  
CD-ROM drive cables 3-24  
diskette drive cables 3-26  
hard drive cables 3-28  
hard drive fan cables 3-32  
disconnecting fan power cable  
removal and replacement 3-32  
diskette boot  
microprocessor 4-26  
modem 4-29  
mouse 4-29  
network interface 4-33  
pointing device 4-29  
printer 4-28  
SCSI 4-34, 4-35  
re-enabling 5-7  
diskette drive  
serial interface 4-29  
tape drive 4-30  
cables, disconnecting 3-26  
connector 3-45  
removal and replacement 3-26  
spares part number 1-4  
specifications 7-8  
error messages, Power-on Self-Test (POST) 4-3  
establishing a Power-on Password 5-3  
establishing a Setup Password 5-2  
expansion board  
removal and replacement 3-14  
expansion board bracket  
spares part number 1-3  
expansion board connector 3-45  
expansion board slot cover  
spares part number 1-4  
expansion board slots  
illustrated 3-12  
test error codes 4-28  
troubleshooting 4-9  
diskette write, re-enabling 5-7  
display  
troubleshooting 4-10  
DMA, system specifications 7-3  
drive positions 3-21, 3-22  
3.5-inch bay 3-22  
expansion boards 3-12  
extended warranty 2-4  
external battery  
5.25-inch bay 3-22  
CD-ROM drive 3-22  
diskette drive 3-22  
installing 3-52  
illustrated 3-22  
spares part number 1-4  
external battery jumper 3-45  
external connectors  
dual-channel SCSI controller  
spares part number 1-6  
DVD-ROM drive  
AGP 8-2  
removal and replacement 3-24  
troubleshooting 4-14  
audio line-in 8-1  
audio line-out 8-1  
functions 8-1  
headphone jack 8-1  
keyboard 8-2  
microphone jack 8-1  
parallel 8-2  
E
electrostatic discharge (ESD), service guidelines  
2-3  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-4  
external connectors Continued  
physical locations, illustrated 8-1  
power cord 8-1  
RJ-45 8-2  
hard drive Continued  
18-GB  
spares part number 1-4  
specifications 7-18  
4.3-GB  
serial 8-2  
USB 8-2  
VGA 8-2  
spares part number 1-4  
specifications 7-14  
wide-ultra SCSI 8-2  
6.4-GB  
spares part number 1-4  
specifications 7-16  
9.1-GB  
F
FailSafe Boot Block ROM 4-39  
fan cables  
spares part number 1-4  
specifications 7-15  
hard drive, disconnecting 3-32  
fan headers 3-45  
removal and replacement 3-29, 3-33  
troubleshooting 4-12  
Flash Recovery diskette  
using 4-39  
Flash ROM  
recovery from ROM upgrade failure 4-39  
front bezel  
hard drive bracket  
removal and replacement 3-30  
hard drive cables, disconnecting 3-28  
hard drive cage, reinstalling 3-39  
hard drive cage, removal and replacement 3-37  
hard drive fan  
removal and replacement 3-6  
spares part number 1-3  
removal and replacement 3-35  
spares part number 1-5  
hard drive fan cables, disconnecting 3-32  
hard drive mounting bracket  
spares part number 1-5  
hardware installation, troubleshooting 4-13  
hardware screws, illustrated 3-23  
headphone connector  
pin assignments 8-9  
headphone jack connector 8-1  
heatsink bridge  
G
getting help ix  
GLoria Synergy+  
spares part number 1-6  
GLoria Synergy+ 4-MB memory upgrade  
spares part number 1-6  
graphics controller  
GLoria Synergy+  
resolutions 7-21  
spares part number 1-7  
heatsink, removal and replacement 3-48  
hood  
spares part number 1-6  
Matrox Millennium G200  
resolutions 7-24  
spares part number 1-6  
Matrox Productiva G100 7-22  
refresh rates 7-23  
spares part number 1-3  
I
resolutions 7-22  
I/O addresses, system specifications 7-4  
I/O bracket assembly 3-10  
illustrated 3-10  
removal and replacement 3-11  
spares part number 1-3  
icon, key 5-4  
spares part number 1-6  
PowerStorm 300 7-21  
spares part number 1-6  
test error codes 4-31  
Icons See Symbols on Equipment  
Illustrated Parts Map  
spares part number 1-7  
Insight Manager and Insight Management  
features 4-41  
H
hard drive  
10-GB  
spares part number 1-4  
specifications 7-17  
INSPECT 4-24  
Index-5  
installing the replacement external battery  
illustrated 3-53  
Intel Pentium II processor  
spares part number 1-3  
Intel Pentium III processor  
spares part number 1-3  
Magellan driver CD  
spares part number 1-7  
Maintenance and Service Guide  
spares part number 1-7  
managing a diagnostics partition 4-25  
mass storage devices  
interrupts, system specifications 7-3  
drive positions 3-21, 3-22  
Matrox Millennium G200  
resolutions 7-24  
J
spares part number 1-6  
jumper  
Matrox Millennium G200 8-MB memory upgrade  
spares part number 1-6  
Matrox Productiva G100  
resolutions 7-22  
spares part number 1-6  
mechanical parts 1-3  
mechanical parts exploded view  
illustrated 1-1  
CD-ROM drive 6-4  
PowerStorm 300/AGP graphics controller 6-5  
jumper settings  
battery 6-2  
K
key icon 5-4  
keyboard  
memory  
removal and replacement 3-47  
replacement guidelines 3-46  
spares part number 1-4  
test error codes 4-27  
troubleshooting 4-15  
memory upgrade  
national delimiter characters 5-6  
spares part number 1-5  
specifications 7-19  
test error codes 4-27  
keyboard connector 8-2  
pin assignments 8-3  
keyboard interface 5-9  
keyboard lights  
GLoria Synergy+  
spares part number 1-6  
Matrox Millennium G200 8-MB memory  
upgrade  
Caps Lock 4-40  
detection of invalid system ROM 4-39  
illustrated 4-39  
Num Lock 4-40  
Scroll Lock 4-40  
spares part number 1-6  
microphone connector  
pin assignments 8-9  
microphone jack 8-1  
microprocessor, test error codes 4-26  
Microsoft Windows NT Workstation password 5-6  
Microsoft Windows NT Workstations 4.0 CD  
spares part number 1-7  
miscellaneous signal cable  
spares part number 1-5  
modem  
test error codes 4-29  
monitor  
troubleshooting 4-10  
monitor connector  
L
lights  
keyboard 4-39  
line-in connector  
pin assignments 8-9  
line-out connector  
pin assignments 8-9  
Local ROM Flash 4-37  
locating optional hardware screws, illustrated 3-23  
locating the SW1 switch setting 5-5  
lock security bracket  
pin assignments 8-6  
mouse  
spares part number 1-3  
spares part number 1-5  
specifications 7-20  
test error codes 4-29  
M
Magellan 3D Pointing Device  
spares part number 1-7  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-6  
mouse connector  
pin assignments 8-3  
mouse interface 5-9  
P900 monitor  
spares part number 1-5  
padlock, removal and replacement 3-5  
parallel interface  
connector 8-2  
re-enabling 5-8  
N
Netelligent 10 T/2 ISA UTP/Coax Controller  
spares part number 1-6  
Netelligent 10 T/2 PCI UTP/Coax Controller  
spares part number 1-6  
parts  
communications 1-6  
controllers 1-6  
mechanical 1-3  
Netelligent 100 FDDI PCI DAS Fiber-UTP  
spares part number 1-6  
system 1-3  
password  
Netelligent 100 FDDI PCI SAS Fiber-MIC  
spares part number 1-6  
Netelligent 100 FDDI PCI SAS Fiber-SC  
spares part number 1-6  
Power-on 5-3  
Power-On key icon 4-2  
security 5-2  
Setup 5-2  
Netelligent 100 FDDI PCI SAS Fiber-UTP  
spares part number 1-6  
Netelligent 16/4 TR PCI IBM UTP/STP Controller  
spares part number 1-6  
Netelligent 16/4 TR PCI UTP/STP Controller  
spares part number 1-6  
Netelligent 56K ISA Fax Modem  
spares part number 1-6  
Windows NT Workstation 5-6  
Pentium II processor  
removal and replacement 3-48  
spares part number 1-3  
test error codes 4-26  
Pentium III processor  
spares part number 1-3  
pin assignments  
Netelligent 56K PCI Fax Modem  
spares part number 1-6  
network  
headphone connector 8-9  
keyboard connector 8-3  
line-in 8-9  
RJ-45 connector pin assignments 8-7  
network controller  
line-out 8-9  
microphone connector 8-9  
monitor connector 8-6  
mouse connector 8-3  
RJ-45 connector 8-7  
SCSI connector 8-8  
serial interface connector 8-5  
USB connector 8-7  
pointing device  
mouse, spares part number 1-5  
test error codes 4-29  
POST messages 4-3  
power connector 3-45  
power cord connector 8-1  
power problems, troubleshooting 4-8  
power supply  
specifications 7-25  
test error codes 4-33  
troubleshooting 4-16  
Num Lock 4-40  
numbers  
Download Facility ix  
serial 3-1  
support ix  
telephone ix  
O
optional hardware screws, illustrated 3-23  
P
removal and replacement 3-55  
spares part number 1-3  
power supply specifications 7-7  
power switch  
removal and replacement 3-54  
power switch and LED header 3-45  
power switch and LEDs with cable  
spares part number 1-4  
P110 monitor  
spares part number 1-5  
P1610 monitor  
spares part number 1-5  
P75 monitor  
spares part number 1-5  
Index-7  
Power-on Password  
changing 5-4  
R
rack mounting kit  
clearing 5-5  
spares part number 1-7  
re-enabling diskette boot 5-7  
re-enabling serial port 5-8  
refresh rates  
Matrox Productiva G100 7-23  
reinstalling  
hard drive cage 3-39  
removable hard drive cage 3-39  
reinstalling a removable hard drive cage  
removal and replacement 3-40  
illustrated 3-40  
deleting 5-4  
entering 5-4  
power-on password settings  
system board switch 6-3  
Power-on Self-Test (POST)  
error messages 4-3  
function 4-2  
PowerStorm 300  
AGP graphics controller  
jumper settings 6-5  
resolutions 7-21  
removable hard drive cage  
reinstalling 3-39  
spares part number 1-6  
pre-failure warranty 2-4  
preliminary cautions and warnings 2-2  
primary IDE connector 3-45  
primary processor slot 3-45  
printer  
test error codes 4-28  
troubleshooting 4-11  
problems  
removal and replacement 3-37  
spares part number 1-3  
removal and replacement  
10,000 rpm hard drive 3-31  
5-device SCSI cable  
illustrated 3-41  
7200 rpm hard drive 3-28  
AGP graphics controller 3-16  
illustrated 3-16  
audio hardware 4-18  
CD-ROM drive 4-14  
diskette drive 4-9  
display 4-10  
air baffle  
illustrated 3-56  
backplane board 3-18  
illustrated 3-18  
DVD-ROM drive 4-14  
hard drive 4-12  
blank drive bezel 3-7  
illustrated 3-7  
cable lock  
hardware installation 4-13  
memory 4-15  
monitor 4-10  
illustrated 3-3  
network 4-16  
cable lock bracket 3-3  
card guide 3-17  
power 4-8  
printer 4-11  
SCSI 4-15  
illustrated 3-17  
CD-ROM drive 3-24  
illustrated 3-25  
disconnecting fan power cable 3-32  
illustrated 3-32  
disconnecting hard drive cables  
illustrated 3-28  
diskette drive 3-26  
processor  
removal and replacement 3-48  
spares part number 1-3  
processor power module 3-45  
removal and replacement 3-49  
spares part number 1-3  
illustrated 3-27  
Q
DVD-ROM drive 3-24  
EMI shield 3-8, 3-29, 3-33  
illustrated 3-8  
QuickLock/QuickBlank  
enabling 5-8  
keyboard and mouse interface 5-9  
purpose 5-8  
expansion board 3-14  
illustrated 3-14  
fan from bracket, illustrated 3-20  
front bezel 3-6  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-8  
front bezel Continued  
illustrated 3-6  
system board with tray 3-43  
illustrated 3-44  
hard drive 3-29, 3-33  
illustrated 3-29  
system fan 3-19  
illustrated 3-19  
hard drive bracket 3-30  
illustrated 3-30  
workstation feet 3-4  
illustrated 3-4  
hard drive cage 3-37  
hard drive fan 3-35  
illustrated 3-32  
removing a DIMM  
illustrated 3-47  
resolutions  
heatsink 3-48  
I/O bracket assembly 3-11  
illustrated 3-10  
locating hard drive screw holes  
illustrated 3-39  
memory 3-47  
GLoria Synergy+ graphics controller 7-21  
Matrox Millennium G200 7-24  
Matrox Productiva G100 7-22  
PowerStorm 300 7-21  
RJ-45 connector 8-2  
ROM  
illustrated 3-47  
upgrading 4-37  
padlock 3-5  
ROM BIOS  
Pentium II processor 3-48  
power supply 3-55  
recovery from ROM upgrade failure 4-39  
upgrading locally 4-37  
ROMPaq  
illustrated 3-56  
power switch 3-54  
Remote ROM Flash 4-38  
spares part number 1-7  
illustrated 3-54  
primary processor power module cable insulator  
illustrated 3-50  
processor and heatsink  
illustrated 3-48  
S
screws  
optional hardware, illustrated 3-23  
Scroll Lock 4-40  
SCSI  
test error codes 4-35  
SCSI adapter  
spares part number 1-5, 1-7  
SCSI cable 3-41  
spares part number 1-5  
SCSI connector 3-45  
pin assignments 8-8  
SCSI devices  
processor power module 3-49  
illustrated 3-49  
reinstalling a removable hard drive cage 3-40  
illustrated 3-40  
removable hard drive cage 3-37  
illustrated 3-38  
removing EMI/cooling shield  
illustrated 3-29, 3-33  
removing hard drive  
illustrated 3-33  
removing hard drive cables  
illustrated 3-37  
removing hard drive fan  
illustrated 3-36  
removing hard drive fan power cable  
illustrated 3-35  
removing hard drive from cage  
illustrated 3-38  
guidelines when installing 3-42  
ID settings 3-42  
test error codes 4-34  
Test Names 4-34  
troubleshooting 4-15  
secondary IDE connector 3-45  
secondary processor slot 3-45  
security  
side access panel 3-5  
illustrated 3-5  
features  
cable lock provision 5-1  
diskette drive boot control 5-1  
diskette drive write control 5-1  
parallel interface control 5-1  
Power-on Password 5-1  
speaker 3-9  
illustrated 3-9  
Symbios Wide Ultra2 PCI SCSI controller 3-15  
system board tray and cage 3-43  
illustrated 3-43  
Index-9  
power-on password Continued  
purpose 5-1  
software Continued  
Compaq Diagnostics for Windows NT 4-43  
Compaq Insight Manager 4-41  
QuickBlank 5-1  
QuickLock 5-1  
solutions  
serial interface control 5-1  
Setup Password 5-1  
Windows NT password 5-1  
password 5-2  
CD-ROM drive 4-14  
diskette drive 4-9  
display 4-10  
hard drive 4-12  
Power-on Password 5-3  
QuickLock/QuickBlank 5-8  
setup password 5-2  
security management, advanced features 5-7  
serial connector 8-2  
serial interface  
hardware installation 4-13  
memory 4-15  
monitor 4-10  
network 4-16  
power 4-8  
printer 4-11  
connector  
SCSI 4-15  
pin assignments 8-5  
re-enabling 5-8  
test error codes 4-29  
serial number locations 3-1  
service  
Spaceball 3D Pointing Device  
spares part number 1-7  
Spaceball driver CD  
spares part number 1-7  
spares  
equipment symbols 2-3  
tools and software requirements 2-4  
warnings and cautions 2-2  
warranties 2-4  
mechanical parts  
illustrated 1-1  
system components exploded view 1-2  
spares part number  
service preparations 3-2  
Service Quick Reference Guide  
spares part number 1-7  
settings  
10-GB ultra ATA hard drive 1-4  
128-MB memory module 1-4  
18-GB wide ultra2 SCSI hard drive 10,000 rpm  
1-4  
battery 6-2  
18-GB wide-ultra SCSI hard drive 10,000 rpm  
1-4  
256-MB memory module 1-4  
32-MB memory module 1-4  
3-button mouse 1-5  
system board configuration jumper J5 6-2  
system board switch 6-3  
setup and diagnostics  
function 4-19  
Setup and Diagnostics for Workstations diskette  
spares part number 1-7  
Setup Password  
4.3-GB wide ultra2 SCSI hard drive 10,000 rpm  
1-4  
4.3-GB wide ultra2 SCSI hard drive 7200 rpm  
1-4  
changing 5-4  
clearing 5-5  
deleting 5-4  
4.3-GB wide-ultra SCSI hard drive 1-4  
4.3-GB wide-ultra SCSI hard drive 10,000 rpm  
1-4  
6.4-GB ultra ATA hard drive 1-4  
9.1-GB wide ultra2 SCSI hard drive 10,000 rpm  
1-4  
shipping boxes with buns  
spares part number 1-7  
side access panel  
removal and replacement 3-5  
spares part number 1-3  
slot cover  
9.1-GB wide ultra2 SCSI hard drive 7200 rpm  
1-4  
spares part number 1-4  
SLR drive  
9.1-GB wide-ultra SCSI hard drive 1-4  
array controller 1-6  
spares part number 1-5  
SmartStart for Workstations CD  
spares part number 1-7  
software  
backplane board 1-3  
baffle 1-7  
blank drive bezel 1-3, 1-7  
cable lock bracket 1-3  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-10  
spares part number Continued  
card guide 1-7  
spares part number Continued  
Netelligent 16/4 TR PCI UTP/STP Controller  
1-6  
CD-ROM drive 1-4  
chassis 1-3  
Netelligent 56K ISA Fax Modem 1-6  
Netelligent 56K PCI Fax Modem 1-6  
P110 monitor 1-5  
P1610 monitor 1-5  
P75 monitor 1-5  
Compaq Ethernet NIC NC1120 1-6  
Compaq Fast Ethernet NIC NC3120 1-6  
Compaq Fast Ethernet NIC NC3122 1-6  
Compaq Fast Ethernet NIC NC3161 1-6  
Compaq Multimedia Sound System (US) 1-7  
Compaq SMART-2SL array controller 1-6  
Compaq SmartStart for Workstations CD 1-7  
DAT drive 1-4  
P900 monitor 1-5  
Pentium II processor 1-3  
Pentium III processor 1-3  
power supply 1-3  
diskette drive 1-4  
dual-channel SCSI controller 1-6  
EMI shield 1-3, 1-7  
expansion board bracket 1-3  
expansion board slot cover 1-4  
external battery 1-4  
power switch and LEDs with cable 1-4  
PowerStorm 300 1-6  
processor power module 1-3  
rack mounting kit 1-7  
removable hard drive cage 1-3  
ROMPaq 1-7  
front bezel 1-3  
GLoria Synergy + 1-6  
SCSI adapter 1-5, 1-7  
SCSI cable 1-5  
GLoria Synergy+ 4-MB memory upgrade 1-6  
hard drive fan and cable 1-5  
hard drive mounting bracket 1-5  
heatsink bridge 1-7  
Service Quick Reference Guide 1-7  
Setup and Diagnostics for Workstations diskette  
1-7  
shipping boxes with buns 1-7  
side access panel 1-3  
hood 1-3  
I/O bracket assembly 1-3  
slot cover 1-4  
Illustrated Parts Map 1-7  
SLR drive 1-5  
Intel Pentium II processor 1-3  
Intel Pentium III processor 1-3  
keyboard 1-5  
Magellan 3D Pointing Device 1-7  
Magellan driver CD 1-7  
Maintenance and Service Guide 1-7  
Matrox Millennium G200 1-6  
Matrox Millennium G200 8-MB memory  
upgrade 1-6  
Matrox Productiva G100 1-6  
Microsoft Windows NT Workstations 4.0 CD 1-  
7
SmartStart for Workstations CD 1-7  
Spaceball 3D Pointing Device 1-7  
Spaceball driver CD 1-7  
speaker 1-3  
Symbios Wide Ultra2 PCI SCSI controller 1-4  
system board with tray 1-3  
system fan 1-3  
system fan bracket 1-7  
System ROMPaq 1-7  
TFT 450 monitor 1-5  
TFT 500 monitor 1-5  
TFT 5000 monitor 1-5  
TFT 8000 monitor 1-5  
V75 monitor 1-5  
miscellaneous signal cable 1-5  
Netelligent 10 T/2 ISA UTP/Coax Controller 1-  
6
V90 monitor 1-5  
Netelligent 10 T/2 PCI UTP/Coax Controller 1-  
6
voltage regulator 1-3  
wide ultra2 SCSI cable 1-5  
Windows NT Workstations 4.0 CD 1-7  
workstation feet 1-3  
Netelligent 100 FDDI PCI DAS Fiber-UTP 1-6  
Netelligent 100 FDDI PCI SAS Fiber-MIC 1-6  
Netelligent 100 FDDI PCI SAS Fiber-SC 1-6  
Netelligent 100 FDDI PCI SAS Fiber-UTP 1-6  
Netelligent 16/4 TR PCI IBM UTP/STP  
Controller 1-6  
Zip drive 1-4  
spares system components  
illustrated 1-2  
speaker  
removal and replacement 3-9  
Index-11  
speaker Continued  
spares part number 1-3  
speaker header 3-45  
system board components Continued  
speaker header 3-45  
SW1 switch setting 3-45  
system board tray and cage  
illustrated 3-43  
removal and replacement 3-43  
system board with tray  
removal and replacement 3-43  
spares part number 1-3  
system components 1-2  
system fan  
specifications  
1.44-MB diskette drive 7-8  
100-MB diskette drive 7-9  
audio 7-19  
CD-ROM drive 7-10, 7-12  
hard drive 7-14, 7-15, 7-16, 7-17, 7-18  
keyboard 7-19  
mouse 7-20  
network controller 7-25  
power supply 7-7  
system 7-2  
removal and replacement 3-19  
spares part number 1-3  
system fan bracket  
standard warranty 2-4  
static electricity, discharging 2-3  
support numbers ix  
spares part number 1-7  
system parts 1-3  
System ROMPaq  
SW1 switch setting 3-45  
locating 5-5  
switch settings  
spares part number 1-7  
system security 5-1  
system specifications 7-2  
DMA 7-3  
system board 6-3  
Symbios Wide Ultra2 PCI SCSI controller  
removal and replacement 3-15  
spares part number 1-4  
Symbols  
I/O addresses 7-4  
interrupts 7-3  
T
equipment 2-3  
in text viii  
tape drive  
test error codes 4-30  
telephone numbers ix  
TEST 4-23  
on equipment viii  
Symbols in Text viii  
system beeps 4-39  
Text Conventions vii  
TFT 450 monitor  
system board  
assembly 3-43  
spares part number 1-5  
TFT 500 monitor  
spares part number 1-5  
TFT 5000 monitor  
spares part number 1-5  
TFT 8000 monitor  
spares part number 1-5  
thumbscrews  
jumper settings 6-2  
power-on password settings 6-3  
switch settings 6-3  
system board components 3-45  
AGP graphics controller connector 3-45  
DIMM sockets 1-4 3-45  
diskette drive connector 3-45  
expansion board connector 3-45  
external battery jumper 3-45  
fan headers 3-45  
on the side access panel 3-5  
tools and software requirements 2-4  
troubleshooting  
illustrated 3-45  
audio hardware conflicts 4-18  
CD-ROM drive problems 4-14  
diskette drive problems 4-9  
display problems 4-10  
DVD-ROM drive problems 4-14  
hard drive problems 4-12  
power connector 3-45  
power switch and LED header 3-45  
primary IDE connector 3-45  
primary processor slot 3-45  
processor power module 3-45  
SCSI connector 3-45  
secondary IDE connector 3-45  
secondary processor slot 3-45  
hardware installation problems 4-13  
memory problems 4-15  
Compaq Professional Workstation AP500 Maintenance and Service Guide  
Index-12  
troubleshooting Continued  
minor problems 4-7  
monitor problems 4-10  
network problems 4-16  
power problems 4-8  
preparations for 4-25  
printer problems 4-11  
SCSI problems 4-15  
workstation feet Continued  
spares part number 1-3  
www.compaq.com ix  
Z
Zip drive  
spares part number 1-4  
specifications 7-9  
U
upgrading the ROM 4-37  
USB connector 8-2  
pin assignments 8-7  
utilities  
Compaq Setup and Diagnostics 4-19  
Computer Checkup (TEST) 4-23  
Computer Setup 4-21  
View System Information (INSPECT) 4-24  
V
V75 monitor  
spares part number 1-5  
V90 monitor  
spares part number 1-5  
VGA connector 8-2  
video, test error codes 4-31  
View System Information (INSPECT) 4-24  
accessing 4-20  
voltage regulator  
spares part number 1-3  
W
warnings 2-2  
warranty  
extended 2-4  
pre-failure 2-4  
standard 2-4  
website, Compaq ix  
where to go for additional help ix  
wide ultra2 SCSI cable  
spares part number 1-5  
wide-ultra SCSI connector 8-2  
pin assignments 8-8  
Windows NT Workstation password 5-6  
Windows NT Workstations 4.0 CD  
spares part number 1-7  
workstation feet  
removal and replacement 3-4  

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