NEC Personal Computer NEC Computer Systems Division Packard Bell NEC Inc User Manual

SOLD BY laptopia2005 DO NOT RESELL!!  
PROPRIETARY NOTICE AND LIABILITY DISCLAIMER  
The information disclosed in this document, including all designs and related materials, is  
the valuable property of NEC Computer Systems Division, Packard Bell NEC, Inc.  
(NECCSD, PBNEC) and/or its licensors. NECCSD and/or its licensors, as appropriate, re-  
serve all patent, copyright and other proprietary rights to this document, including all de-  
sign, manufacturing, reproduction, use, and sales rights thereto, except to the extent said  
rights are expressly granted to others.  
The NECCSD product(s) discussed in this document are warranted in accordance with the  
terms of the Warranty Statement accompanying each product. However, actual  
performance of each such product is dependent upon factors such as system configuration,  
customer data, and operator control. Since implementation by customers of each product  
may vary, the suitability of specific product configurations and applications must be  
determined by the customer and is not warranted by NECCSD.  
To allow for design and specification improvements, the information in this document is  
subject to change at any time, without notice. Reproduction of this document or portions  
thereof without prior written approval of NECCSD is prohibited.  
NEC is a registered trademark of NEC Corporation;  
Versa is a U.S. registered trademark of NEC Technologies, Inc.;  
all are used under license by NEC Computer Systems Division (NECCSD), Packard Bell NEC, Inc.  
All other product, brand, or trade names used in this publication are the trademarks or registered  
trademarks of their respective trademark owners.  
First Printing — March 1997  
Copyright 1997  
NEC Computer Systems Division, Packard Bell NEC, Inc.  
1414 Massachusetts Avenue  
Boxborough, MA 01719  
All Rights Reserved  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
iii  
Contents  
Preface......................................................................................................................... xi  
Abbreviations............................................................................................................... xiii  
Section 1 Introduction  
Feature Highlights........................................................................................................1-2  
System Configuration...................................................................................................1-3  
Quick Tour of the Notebook........................................................................................1-4  
Main Components.................................................................................................1-4  
Color LCD Display Panel...............................................................................1-4  
Power Switch/LCD Cover Switch..................................................................1-4  
Status Panel and Power Indicator...................................................................1-4  
Keyboard .......................................................................................................1-5  
VersaGlide.....................................................................................................1-6  
Memory Slot Compartment............................................................................1-7  
The Right Side of the Notebook............................................................................1-7  
Built-In Disk Drive.........................................................................................1-7  
PC Card Slot Compartment............................................................................1-7  
Hard Disk Drive Compartment.......................................................................1-8  
Front of the Notebook ..........................................................................................1-8  
Battery Compartment.....................................................................................1-8  
Left Side of the Notebook.....................................................................................1-9  
DC-IN Connector Jack...................................................................................1-9  
Hardware Reset Switch..................................................................................1-10  
The Rear of the Notebook.....................................................................................1-10  
External Keyboard and PS/2 Mouse Port .......................................................1-10  
VGA Port ......................................................................................................1-11  
Printer Port....................................................................................................1-12  
Serial Port (COM1)........................................................................................1-12  
Bottom of the Notebook.......................................................................................1-12  
Battery Module Handle and Lock...................................................................1-13  
ROM Memory Compartment Cover...............................................................1-13  
System BIOS Setup Program.......................................................................................1-14  
The Boot Setup Menu..................................................................................................1-14  
System Upgrades .........................................................................................................1-19  
Memory Upgrade Procedure........................................................................................1-19  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
iv  
Contents  
System BIOS Upgrade Procedure ................................................................................1-20  
Section 2 General Specifications  
Product Mix.................................................................................................................2-6  
System Board Specifications........................................................................................2-7  
Transfer Board Specifications ......................................................................................2-8  
Converter Board Specifications....................................................................................2-8  
LED Indicator Board Specifications.............................................................................2-9  
I/O Board Specifications..............................................................................................2-10  
LCD Inverter Board Specifications ..............................................................................2-12  
LED Status Indicators Specifications ...........................................................................2-13  
Diskette Drive Specifications .......................................................................................2-13  
HDD Unit Specifications..............................................................................................2-14  
CD-ROM Specifications ..............................................................................................2-14  
NIMH Battery Pack Specifications...............................................................................2-14  
DC/DC Converter & Battery Charger Specifications....................................................2-15  
Battery Charger Specifications.....................................................................................2-15  
Keyboard Specifications...............................................................................................2-16  
AC/DC Adapter Specifications.....................................................................................2-16  
BIOS Specifications.....................................................................................................2-17  
Micro-Controller Function Description ........................................................................2-18  
Power Management Features (Mode Definition) ..........................................................2-19  
Power Management Features (Mode Transition) ..........................................................2-20  
Hot Key Definition.......................................................................................................2-21  
Environmental Specifications .......................................................................................2-21  
Power Source Specifications........................................................................................2-22  
Vibration Specifications ...............................................................................................2-22  
Shock Specifications....................................................................................................2-22  
Electro-Static Discharge (ESD) Specifications .............................................................2-23  
Section 3 Hardware Functional Overview  
Functional Block Diagram............................................................................................3-2  
System BIOS...............................................................................................................3-2  
System Processor..................................................................................................3-3  
Major Functional Blocks.......................................................................................3-3  
System Logic Controller ..............................................................................................3-4  
Memory Subsystem......................................................................................................3-6  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
Contents  
v
DRAM Memory....................................................................................................3-6  
ROM Subsystem...................................................................................................3-6  
I/O Subsystem .............................................................................................................3-6  
VIDEO Subsystem.......................................................................................................3-7  
Video Chipset Controller ......................................................................................3-7  
External VGA Capability.......................................................................................3-8  
Keyboard Subsystem....................................................................................................3-8  
PCMCIA Controller and Sockets.................................................................................3-9  
Hard Disk Subsystem...................................................................................................3-9  
Diskette Drive Subsystem ............................................................................................3-10  
Pointing Device Subsystem ..........................................................................................3-10  
Power Subsystem.........................................................................................................3-10  
AC Power Adapter ...............................................................................................3-10  
Internal Battery Pack ............................................................................................3-11  
Power Board.........................................................................................................3-11  
LCD Inverter Board Assembly..............................................................................3-11  
Section 4 Field Service Guidelines  
Preventive Maintenance ...............................................................................................4-1  
Cleaning the Notebook’s Exterior .........................................................................4-1  
Cleaning the Notebook’s Interior ..........................................................................4-2  
Protecting the Disk Drives ....................................................................................4-2  
Handling the Computer Battery Packs...................................................................4-2  
Maintaining the LCD Quality ................................................................................4-3  
Required Tools and Replacement Procedures...............................................................4-3  
Parts Removal and Replacement Procedures ................................................................4-4  
Removing/Replacing the Notebook Battery Pack ..................................................4-4  
Removing/Replacing the Hard Disk Drive Module ................................................4-5  
Removing/Replacing the Diskette Drive Module ...................................................4-5  
Removing/Replacing the LCD Status Bar Cover and Hinges .................................4-6  
Removing/Replacing the Keyboard........................................................................4-7  
Removing/Replacing the Heat Plate.......................................................................4-7  
Removing/Replacing the CPU...............................................................................4-7  
Removing/Replacing the Cover-Display LCD Assembly Module...........................4-8  
Removing/Replacing the System Top Cover Assembly and the NEC VersaGlide  
Assembly...........................................................................................................4-8  
Removing/Replacing the LED Board.....................................................................4-9  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
vi  
Contents  
Removing/Replacing the System Board and I/O Board..........................................4-10  
Separating the System Board and I/O Board .........................................................4-11  
Removing/Replacing the Power Board..................................................................4-12  
Illustrated Parts Breakdown.........................................................................................4-13  
Packaging and Documentation ..............................................................................4-16  
Section 5 Troubleshooting and Repair  
Service Information......................................................................................................5-1  
Technical Support........................................................................................................5-1  
Product Information.....................................................................................................5-2  
Ordering Information from FastFacts ....................................................................5-2  
Helpful Starters............................................................................................................5-3  
Power On Self Test (POST).........................................................................................5-4  
POST Messages....................................................................................................5-4  
Informational Messages.........................................................................................5-7  
Run-time Error Messages......................................................................................5-8  
Quick Troubleshooting ................................................................................................5-9  
Appendix A Video Modes  
VGA Standard Modes..................................................................................................A-1  
VGA Extended Modes.................................................................................................A-3  
VGA High Refresh Modes...........................................................................................A-5  
List of Figures  
1-1  
1-2  
1-3  
1-4  
1-5  
1-6  
1-7  
1-8  
1-9  
1-10  
1-11  
1-12  
NEC Versa 2500 Series Notebook ................................................................. 1-1  
System Configuration Diagram....................................................................... 1-3  
Standard Keyboard Layout............................................................................. 1-5  
VersaGlide..................................................................................................... 1-6  
Memory Slot Compartment............................................................................ 1-7  
Inserting a PC Card........................................................................................ 1-8  
Removing the Battery Pack............................................................................ 1-9  
Left Side of the Notebook.............................................................................. 1-9  
Connecting the AC Adapter to the Notebook................................................. 1-10  
The Rear Side of the Notebook...................................................................... 1-10  
Connecting an External Keyboard and Mouse ................................................ 1-11  
Connecting an External Monitor..................................................................... 1-11  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
Contents  
vii  
1-13  
1-14  
1-15  
1-16  
Connecting to the Printer Port........................................................................ 1-12  
Connecting to the Serial Port ......................................................................... 1-12  
Bottom View of the Notebook....................................................................... 1-13  
The Boot Setup Menu.................................................................................... 1-14  
3-1  
Functional Block Diagram.............................................................................. 3-2  
4-1  
4-2  
4-3  
4-4  
4-5  
4-6  
4-7  
Hard Disk Drive Module Assembly ................................................................ 4-5  
Floppy Drive Module Assembly ..................................................................... 4-6  
The LED Board Module Assembly................................................................. 4-10  
The System Board and I/O Board................................................................... 4-11  
The I/O Board Module Assembly................................................................... 4-12  
Power Board Module Assembly ..................................................................... 4-12  
NEC Versa 2500 Series Illustrated Parts Breakdown...................................... 4-15  
List of Tables  
1-1  
1-2  
1-3  
1-4  
1-5  
1-6  
1-7  
1-8  
Model Configurations .................................................................................... 1-1  
Feature Highlights.......................................................................................... 1-2  
Fn Key Combination Summary....................................................................... 1-5  
Boot Main Setup Menu.................................................................................. 1-15  
Boot Setup Peripherals Menu......................................................................... 1-16  
Boot Setup Security Menu............................................................................. 1-17  
Boot Setup Power Savings Menu................................................................... 1-18  
16 MB Memory Configurations...................................................................... 1-19  
2-1  
2-2  
2-3  
2-4  
2-5  
2-6  
2-7  
2-8  
2-9  
2-10  
2-11  
2-12  
NEC Versa 2500 Series Specifications ........................................................... 2-1  
Product Mix................................................................................................... 2-6  
Main Board Specifications.............................................................................. 2-7  
Transfer Board Specifications......................................................................... 2-8  
Converter Board Specifications...................................................................... 2-8  
LED Indicator Board Specifications............................................................... 2-9  
I/O Board Specifications ................................................................................ 2-10  
LCD Inverter Board Specifications................................................................. 2-12  
Status LED Descriptions................................................................................ 2-13  
Diskette Drive Specifications.......................................................................... 2-13  
Hard Disk Drive Specifications....................................................................... 2-14  
CD-ROM Reader Specifications..................................................................... 2-14  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
viii  
Contents  
2-13  
2-14  
2-15  
2-16  
2-17  
2-18  
2-19  
2-20  
2-21  
2-22  
2-23  
2-24  
2-25  
2-26  
2-27  
Battery Specifications..................................................................................... 2-14  
DC/DC Converter & Battery Charger Specifications ...................................... 2-15  
Battery Charger Specifications ....................................................................... 2-15  
Keyboard Specifications................................................................................. 2-16  
AC/DC Adapter Specifications....................................................................... 2-16  
BIOS Specifications....................................................................................... 2-17  
Micro-Controller Specifications...................................................................... 2-18  
Power Management Modes............................................................................ 2-19  
Mode Definitions ........................................................................................... 2-20  
Hot Keys........................................................................................................ 2-21  
Environmental Specifications.......................................................................... 2-21  
Power Specifications...................................................................................... 2-22  
Vibration Specifications ................................................................................. 2-22  
Shock Specifications ...................................................................................... 2-22  
Electro-Static Discharge (ESD) Specifications ............................................... 2-23  
4-1  
4-2  
NEC Versa 2500 Series Field-Replaceable Parts............................................. 4-13  
Packaging and Documentation Part Numbers ................................................. 4-16  
5-1  
5-2  
5-3  
5-4  
5-5  
NEC Service and Information Telephone Numbers......................................... 5-1  
POST Error Messages.................................................................................... 5-4  
BIOS Informational Messages........................................................................ 5-7  
Run-time Error Messages............................................................................... 5-8  
Quick Troubleshooting................................................................................... 5-9  
A-1  
A-2  
A-3  
A-4  
A-5  
A-6  
A-7  
A-8  
A-9  
A-10  
A-11  
A-12  
VGA Standard Modes (Text Mode)............................................................... A-1  
VGA Standard Modes (Graphics Mode) ........................................................ A-2  
VGA Standard Modes (Planar Mode) ............................................................ A-2  
VGA Standard Modes (Packed Pixel Mode) .................................................. A-2  
VGA Extended Modes (Text Mode) .............................................................. A-3  
VGA Extended Modes (4-Bit Linear Mode)................................................... A-3  
VGA Extended Modes (8-Bit Linear Mode)................................................... A-3  
VGA Extended Modes (15-Bit Linear Mode)................................................. A-3  
VGA Extended Modes (16-Bit Linear Mode)-1MB Video Memory Only....... A-4  
VGA Extended Modes (24-Bit Linear Mode)................................................. A-4  
VGA Extended Modes (Planar Mode)............................................................ A-4  
VGA Extended Modes (Packed Pixel Mode).................................................. A-4  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
Contents  
ix  
A-13  
A-14  
A-15  
VGA High Refresh Modes (Packed Pixel Mode)............................................ A-5  
VGA High Refresh Modes (Planar Mode)...................................................... A-5  
VGA High Refresh Modes (Packed Pixel Mode)............................................ A-5  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
(For United States Use Only)  
FEDERAL COMMUNICATIONS COMMISSION  
RADIO FREQUENCY INTERFERENCE STATEMENT  
!
WARNING  
Changes or modifications to this unit not expressly approved by the party responsible for  
compliance could void the user’s authority to operate the equipment.  
NOTE  
This is a Class B Digital Device. This equipment has been tested and found to comply  
with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits  
are designed to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates, uses and can radiate radio frequency energy and, if not  
installed and used in accordance with the instructions, may cause harmful interference to radio  
communications.  
However, there is no guarantee that interference will not occur in a particular installation. If this  
equipment does cause harmful interference to radio or television reception, which can be determined by  
turning the equipment off and on, the user is encouraged to try to correct the interference by one or  
more of the following measures.  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment to an outlet on a circuit different from the one to which the receiver is  
connected.  
To meet FCC standards, shielded cables and power cords are required to connect this device to a  
personal computer or other Class B certified device.  
Canadian Department of Communications Compliance Statement  
This equipment does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio interference  
Regulations of the Canadian Department of Communications.  
Avis de conformité aux normes du ministère des Communications du Canada  
Cet appareil respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe B prescrites dans le Règlement sur  
le brouillage radioélectrique édicté par le ministère des Communications du Canada.  
European Community Directive Conformance Statement  
This product is in conformity with the protection requirements of EC Council Directive 89/336/EEC on the approximation of laws of the  
Member States relating to electro-magnetic compatibility. This product satisfied the Class B limits of EN 55022.  
NEC Computer Systems Division, Packard Bell NEC, Inc.  
1414 Massachusetts Avenue  
Boxborough, Massachusetts 01719  
1-800-632-4525  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SOLD BY laptopia2005 DO NOT RESELL!!  
SOLD BY laptopia2005 DO NOT RESELL!!  
xiii  
Abbreviations  
A
ampere  
DOS  
DRAM  
DTE  
ECC  
EDS  
disk operating system  
dynamic RAM  
AC  
AT  
alternating current  
advanced technology  
(IBM PC)  
data terminal equipment  
error checking and correction  
error detecting system  
BBS  
BCD  
BCU  
BIOS  
bit  
Bulletin Board System  
binary-coded decimal  
BIOS Customized Utility  
basic input/output system  
binary digit  
EGA  
EMS  
Enhanced Graphics Adapter  
Expanded Memory  
Specification  
EPP  
enhanced parallel port  
bpi  
bits per inch  
EPROM erasable and programmable  
ROM  
bps  
bits per second  
EVGA  
Enhanced Video Graphics  
Array  
BUU  
C