Compaq Personal Computer 1650 User Manual
Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Notice  
Preface  
Product  
Description  
Troubleshooting  
Illustrated Parts  
Catalog  
Removal &  
Replacement  
Procedures  
Specifications  
Connector Pin  
Assignments  
Battery Pack  
Operations  
Welcome to the Maintenance & Service Guide (MSG). This online  
guide is designed to serve the needs of those whose job it is to repair  
Compaq products. Many of the components of the hardcopy MSG are  
contained in this online guide. The Notice, contains the copyright and  
trademark information. The Preface shows symbol conventions,  
Technician Notes and Serial Number locations on the unit.  
This MSG will be periodically maintained and updated online as  
needed. For content comments or questions, contact the Editor.  
To report a technical problem, contact your Regional Support Center  
or IM Help Center.  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Notice  
The information in this guide is subject to change without notice.  
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR  
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL  
OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING,  
PERFORMANCE, OR USE OF THIS MATERIAL.  
This guide contains information protected by copyright. No part of this guide may be  
photocopied or reproduced in any form without prior written consent from Compaq  
Computer Corporation.  
Ó 1998 Compaq Computer Corporation.  
All rights reserved. Printed in the U.S.A.  
Compaq, Presario Registered U. S. Patent and Trademark Office.  
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation.  
Windows 95 is a trademark of Microsoft Corporation.  
The software described in this guide is furnished under a license agreement or  
nondisclosure agreement. The software may be used or copied only in accordance with  
the terms of the agreement.  
Product names mentioned herein may be trademarks and/or registered trademarks of  
their respective companies.  
Maintenance and Service Guide  
Compaq Presario 1600 Series Portable Computers  
First Edition (June 1998)  
Compaq Computer Corporation  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Preface  
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when  
servicing the Compaq Presario 1600 Series Portable Computers.  
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1600  
Series Portable Computers without notice.  
Symbols  
The following words and symbols mark special messages throughout this guide.  
WARNING: Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of  
life.  
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data.  
IMPORTANT:  
Text set off in this manner presents clarifying information or specific instructions.  
Text set off in this manner presents commentary, sidelights, or interesting points of  
information.  
NOTE:  
Technician Notes  
WARNING: Only authorized technicians trained by Compaq should 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,  
the user should not attempt to make repairs at the component level or to make modifications to any printed circuit board. Improper  
repairs can create a safety hazard. Any indications of component replacement or printed circuit board modifications may void any  
warranty  
Serial Number  
When requesting information or ordering spare parts, the computer serial number should be  
provided to Compaq. The serial number is located on the bottom of the computer.  
Locating Additional Information  
The following documentation is available to support this product:  
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Compaq Presario 1600 Series Portable Computer documentation set  
Introducing Windows 98 Guide  
Service Training Guides  
Compaq Service Advisories and Bulletins  
Compaq QuickFind  
Compaq Service Quick Reference Guide  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Product Description  
Compaq  
Presario  
1600 Series  
Portable  
Computer is  
a
Models and  
Features  
Controls and  
Lights  
Left Side  
Components  
continuation  
of the new  
generation  
of  
multimedia  
portable  
computers  
with an  
Right Side  
Components  
Bottom of  
Unit  
Rear  
Connectors  
Port  
innovative  
integrated  
design,  
outstanding  
audio and  
video,  
Replicator  
Power  
Management  
for Windows  
98  
advanced  
core  
features,  
and  
attractive  
styling. This  
full-  
function,  
Pentium II -  
based series  
of portable  
computers  
allows full  
desktop  
functionality  
and  
additional  
connectivity  
via the  
optional  
port  
replicator.  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Troubleshooting  
This section covers troubleshooting information for the  
Compaq Presario 1600 Series Portable Computers. The  
basic steps in troubleshooting include:  
Preliminary Steps  
Clearing the Power-On  
Password  
Power-On Self Test  
(POST)  
1. Follow the Preliminary Steps.  
Compaq Diagnostics  
2. Run the Power-On Self-Test  
(POST).  
Diagnostic Error Codes  
Troubleshooting  
Without Diagnostics  
3. Follow the recommended  
actions described in the  
diagnostic tables, if you are  
unable to run POST or if POST  
displays an error message.  
Solving Minor  
Problems  
Contacting Compaq  
Support  
When following the recommended  
actions in the Sections on POST  
and Diagnostic Error Codes  
perform them in the order listed.  
Rerun POST after each  
recommended action until the  
problem is solved and no error  
message occurs. Once the  
problem is solved, do not  
complete the remaining  
recommended actions.  
If the problem is  
intermittent, check the  
computer several times to  
NOTE:  
verify that the problem is  
solved.  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Illustrated Parts Catalog  
This section provides an breakdown and identifies the spare parts  
ordering number associated with each item(s) for the Compaq Presario  
1600 Series Portable Computers.  
System Unit  
Boards  
Display  
Assembly  
Mass Storage  
Devices  
Miscellaneous  
Cable Kit  
Cables  
Miscellaneous  
Hardware and  
Plastics Kit  
Miscellaneous  
Parts  
Documentation  
and Software  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Removal and Replacement Procedures  
This section explains the removal and replacement procedures for the  
computer.  
Serial Number Location  
Disassembly  
Sequence  
Electrostatic  
Discharge  
Service  
Considerations  
Cables and  
Connectors  
Preparing the  
Computer for  
Disassembly  
Battery Pack  
Palmrest  
Cover with  
Touch Pad  
Report the computer  
requesting information or ordering spare parts.  
serial number to Compaq when  
Keyboard  
Heatspreader  
Modem  
Processor  
Status Panel  
Interface  
Board  
Hard Drives  
Battery  
Charger Board  
CD Drive  
Display Panel  
Assembly  
Upper CPU  
Cover  
Speaker  
Assembly  
Diskette Drive  
Fan Assembly  
Audio Board  
System Board  
Memory  
Module  
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Maintenance & Service Guide  
Presario 1600 Series  
Models: 1650 and 1655  
| Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications  
Pin Assignments | Battery Pack Operations  
Specifications  
This chapter covers the following specifications of Compaq Presario 1600 Series Portable  
Computers:  
●
●
●
●
●
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●
●
●
●
Computer models  
Physical and environmental  
System Interrupts  
System DMA  
System I/O Address  
System Memory Catalog  
Display  
Memory expansion  
Diskette drive  
Hard drive  
CD drive  
Battery pack  
Physical and Environmental  
Computer Specifications  
U.S.  
Metric  
Dimensions  
Height  
Depth  
1.97 in  
12.20 in  
10.08 in  
4.95 cm  
31.00 cm  
25.40 cm  
Width  
Weight  
7.326 Ib  
7.326 Ib  
3.33 kg  
3.33 kg  
Model 1650  
Model 1655  
Stand-Alone (Battery Pack)  
Power Requirements  
NiMH  
Li-ion  
W @ 9.6 V  
W @ 9.6 V  
W @ 9.6 V  
W @ 14.4 V  
W @ 14.4 V  
W @ 14.4 V  
Nominal Operating  
Maximum Average  
Peak Operating  
AC Power Requirements  
Operating Voltage  
Operating Current  
Operating Frequency  
100-240 V  
0.8/0.4 A RMS  
47-63 Hz  
Meets IEC 801-4 and IEC801-5  
1kV for 50 ns  
Maximum Transient  
Temperature  
Operating  
50° to 95 °F  
-4° to 140 °F  
10° to 35 °C  
-20° to 60 °C  
Nonoperating  
Relative Humidity  
(noncondensing)  
Operating  
10 to 90%  
5 to 95%  
35°C to 90%  
60°C to 95%  
Nonoperating (tw = 38.7°C max)  
Altitude  
Operating  
0 to 10,000 ft  
0 to 30,000 ft  
0 to 3.15 km  
0 to 9.14 km  
Nonoperating  
Shock  
Operating  
10 G, 11 ms, half sine  
240 G, 2 ms, half sine  
Non operating  
Vibration  
Operating  
0.5 G  
1.5 G  
Nonoperating  
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces.  
Compaq Presario 1600 Series Portable Computers operate well within this range of  
temperatures.  
System Interrupts  
System Interrupts  
Hardware IRQ  
IRQ0  
System Function  
Timer Interrupt  
IRQ1  
Keyboard  
IRQ2  
Interrupt Controller Cascade  
Internal Modem  
IRQ3  
IRQ4  
Communication Port (COM1)  
Audio Controller  
IRQ5  
IRQ6  
Diskette Drive  
IRQ7  
Parallel Port (LPT 1) (default)  
System CMOS/Real-Time Clock  
IRQ Holder for PCI Steering  
PCI-1131 CardBus Controller  
IRQ Holder for PCI Steering  
IRQ Holder for PCI Steering  
PCI-1131 CardBus Controller  
Video Controller  
IRQ8  
IRQ9  
IRQ9  
IRQ9  
IRQ9  
IRQ9  
IRQ9  
IRQ11  
IRQ11  
IRQ12  
IRQ13  
IRQ14  
IRQ14  
IRQ15  
IRQ15  
Intel PCI to USB Universal Host Controller  
IRQ Holder for PCI Steering  
PS/2 TouchPad/Mouse  
Numeric data processor  
Intel PCI Bus Master IDE Controller  
Primary IDE Controller (dual fifo)  
Intel PCI Bus Master IDE Controller  
Secondary IDE Controller (dual fifo)  
System DMA  
System DMA  
System Function  
Audio Controller  
Audio Controller  
Diskette Drive  
Hardware DMA  
DMA 0  
DMA 1  
DMA 2  
DMA 4  
DMA Controller  
System I/O Address  
System I/O Address  
System Function (Shipping Configuration)  
DMA Controller  
I/O Address (Hex)  
0000h-000Fh  
0020h-0021h  
0040h-0043h  
0060h-0060h  
0061h-0061h  
0064h-0064h  
Interrupt Controller  
System timer  
Keyboard Controller  
System speaker  
Standard 101/102-Key or Microsoft Natural  
Keyboard  
0070h-0071h  
0080h-0080h  
0081h-008Fh  
00A0h-00A1h  
00C0h-00DFh  
00ECh-00EFh  
00F0h-00FFh  
0170h-0177h  
0170h-0177h  
01F0h-01F7h  
System CMOS/real time clock  
Motherboard resources  
DMA Controller  
Programmable interrupt controller  
DMA  
Motherboard resources  
Numeric data processor  
Intel PCI Bus Master IDE Controller  
Secondary IDE Controller (dual fifo)  
Intel PCI Bus Master IDE Controller  
01F0h-01F7h  
0201h-0201h  
0220h-022Fh  
02F8h-02FFh  
0330h-0331h  
0376h-0376h  
0376h-0376h  
0378h-037Fh  
0388h-038Bh  
03B0h-03BBh  
03C0h-03DFh  
03F0h-03F5h  
03F6h-03F6h  
03F6h-03F6h  
03F7h-03F7h  
03F8h-03FFh  
04D0h-04D1h  
0800h-0807h  
0CF8h-0CFFh  
2180h-218Fh  
8000h-803Fh  
FCD0h-FCD7h  
FCD0h-FCDFh  
FCD8h-FCDFh  
FCE0h-FCFFh  
Primary IDE Controller (dual fifo)  
Gameport Joystick  
ES1869 Plug and Play AudioDrive  
Compaq Presario 56K-DF  
ES1869 Plug and Play AudioDrive  
Secondary IDE controller (dual fifo)  
Intel PCI Bus Master IDE Controller  
Printer Port (LPT1)  
ES1869 Plug and Play AudioDrive  
Video Controller  
Video Controller  
Standard Floppy Disk Controller  
Intel PCI Bus Master IDE Controller  
Primary IDE controller (dual fifo)  
Standard Floppy Disk Controller  
Communications Port (COM1)  
Motherboard resources  
ES1869 Control Interface  
PCI bus  
Motherboard resources  
Motherboard resources  
Primary IDE controller (dual fifo)  
Intel PCI Bus Master IDEController  
Secondary IDE controller (dual fifo)  
Intel PCI to USB Universal Host Controller  
System Memory Catalog  
System Memory Catalog  
System Function  
Memory Address  
00000000h-0009FFFFh  
000A0000h-000AFFFFh  
000B0000h-000BFFFFh  
000C0000h-000CBFFFh  
000DC000h-000FFFFFh  
00100000h-03FFFFFFh  
05000000h-05000FFFh  
05001000h-05001FFFh  
80000000h-803FFFFFh  
FD000000h-FDFFFFFFh  
FEA00000h-FEBFFFFFh  
FED00000h-FEDFFFFFh  
FFF80000h-FFFFFFFFh  
System board extension for PnP BIOS  
Graphics Controller  
Graphics Controller  
Graphics Controller  
System board extension for PnP BIOS  
System board extension for PnP BIOS  
PCI-1131 CardBus Controller  
PCI-1131 CardBus Controller  
Intel Pentium(r) II Processor to PCI bridge  
Graphics Controller  
Graphics Controller  
Graphics Controller  
Motherboard resources  
Display (Information not available)  
13.3" (Diagonal) TFT Display  
U.S.  
Metric  
Dimensions  
Height  
Width  
Information  
not available  
Information  
not available  
Display Dimensions  
Information  
not available  
Information  
not available  
Width  
Height  
Depth  
Weight  
Information  
not available  
Information  
not available  
Contrast Ratio  
Information  
not available  
Information  
not available  
Brightness  
Information  
not available  
Information  
not available  
Total Power Consumption  
Information  
not available  
Information  
not available  
12.1" (Diagonal) TFT Display  
U.S.  
Metric  
Dimensions  
Height  
Width  
Information  
not available  
Information  
not available  
Display Dimensions  
Information  
not available  
Information  
not available  
Width  
Height  
Depth  
Weight  
Information  
not available  
Information  
not available  
Contrast Ratio  
Brightness  
Information  
not available  
Information  
not available  
Information  
not available  
Information  
not available  
Total Power Consumption  
Information  
not available  
Information  
not available  
Memory Expansion  
Memory Expansion  
System Memory  
Expansion Board  
Memory  
Total Memory  
32-MB  
32-MB  
32-MB  
16-MB  
32-MB  
64-MB  
48-MB  
64-MB  
96-MB  
Diskette Drive (Information not available)  
Diskette Drive  
Capacity per Diskette (High/Low)  
Diskette Size  
Information not available  
Information not available  
Information not available  
Number of LED Indicators  
(Read/Write)  
Number of Drives Supported  
Drive Rotation (rpm)  
Transfer Rate (Kbps)  
Bytes per Sector  
Information not available  
Information not available  
Information not available  
Information not available  
Information not available  
Information not available  
Information not available  
Sectors per Track (High/Low)  
Tracks per Side (High/Low)  
Access Times  
Track-to-Track (ms)  
Average (ms)  
Setting Time (ms)  
Latency Average (ms)  
Cylinders (High/Low)  
Information not available  
Information not available  
Number of Read/Write Heads  
Hard Drive (Information not available)  
Hard Drives  
5.0-GB  
4.0-GB  
Capacity Per Drive  
Drive Type  
Information not available Information not available  
Information not available Information not available  
Information not available Information not available  
Logical Configuration  
Cylinders  
Heads  
Sectors per track  
Bytes per sector  
Seek Times  
(Typical, Including settling in  
ms)  
Single track  
Average  
Information not available Information not available  
Information not available Information not available  
Full stroke  
Transfer Rate  
At interface  
CD Drive (Information not available)  
CD Drive  
24× CD Drive  
Dimensions  
Weight  
Information not available  
Information not available  
Information not available  
Information not available  
Rotational Speed  
Typical Transfer Rate  
Sustained Data Transfer Rate  
Access Time  
Information not available  
Average Random Access Time  
Spin Up time  
Information not available  
Information not available  
Data Buffer Capacity  
Battery Pack  
Battery Pack  
Nickel Metal Hydride (NiMH) Lithium Ion (Li ion) *  
Dimensions  
Height  
Length  
0.8 in (20.3 mm)  
5.7 in (145 mm)  
3.1 in (78.7 mm)  
0.8 in (20.3 mm)  
5.7 in (145 mm)  
3.1 in (78.7 mm)  
Width  
Weight  
1.01 Ib (458.1 g)  
2:30 hr  
0.90 Ib (408.2 g)  
3:00 hr  
Battery Pack Operating  
Time  
Energy  
Nominal Open Circuit Voltage  
Capacity  
Power  
9.6 V  
3200mAH  
40 W  
14.4 V  
2500mAH  
40 W  
Environmental  
Requirements  
Operating Temperature  
Non-operating Temperature  
Charging Temperature  
32° F (0-50° C)  
-20° C -60° C  
5° C-45° C  
32° F (0-50° C)  
-20° C -60° C  
5° C-45° C  
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