Service Manual - NEC Versa 4000 Series Laptop.pdf - NEC - Starymazur

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PROPRIETARY NOTICE AND LIABILITY DISCLAIMER

The information disclosed in this document, including all designs and related materials, is

the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licen-

sors, as appropriate, reserve all patent, copyright and other proprietary rights to this docu-

ment, including all design, manufacturing, reproduction, use, and sales rights thereto, except

to the extent said rights are expressly granted to others.

The NEC 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 NEC.

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 NEC is prohibited.

FastFacts, and NEC SVGA, are U.S. trademarks of NEC Technologies, 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 — August 1995

NEC Technologies, Inc.

NEC Corporation

1414 Massachusetts Avenue

7-1 Shiba 5-Chome, Minato-Ku

Boxborough, MA 01719

Tokyo 108-01, Japan

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vii

Preface

This service and reference manual contains the technical information necessary to set up,

and maintain the NEC Versa™ 4000 Series notebook systems. It also provides hardware

and interface information for users who need an overview of the computer system design.

The manual is written for NEC-trained customer engineers, system analysts, service center

personnel, and dealers.

Please refer to the training module provided on CD-ROM for system disassembly/assembly

procedures.

The manual is organized as follows:

Section 1 ¾ Technical Information , provides an overview of the hardware and interface

components. System specifications are listed including computer dimensions, weight, envi-

ronment, safety compliance, power consumption, and system memory specifications.

Setup and Operation , takes the user from unpacking to setup and operation.

The section includes a description of operating controls, setting parameters and accessing

the NEC bulletin board system (BBS).

Illustrated Parts Breakdown (IPB) , provides an exploded-view diagram of

the NEC Versa 4000 series system and part numbers.

Connector Locations and Pin Assignments , provides a list of the main

board internal connector pin assignments and a list of external pin assignments.

An Index is included for convenience.

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Section 2

Section 3

Appendix A

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iii

Contents

Preface......................................................................................................................... ii

Abbreviations............................................................................................................... ix

Section 1 Technical Information

Hardware Overview ..................................................................................................... 1-2

Liquid Crystal Display (LCD)................................................................................ 1-2

CPU Board ........................................................................................................... 1-3

I/O Board ............................................................................................................. 1-3

Sound Board......................................................................................................... 1-3

Infrared (IR) Front Assembly, Rear Assembly ....................................................... 1-4

Battery Pack ......................................................................................................... 1-4

CMOS Battery...................................................................................................... 1-4

Bridge Battery ...................................................................................................... 1-4

PCMCIA Slots...................................................................................................... 1-4

Diskette Drive and the NEC VersaBay II .............................................................. 1-5

Keyboard .............................................................................................................. 1-5

NEC VersaGlide ................................................................................................... 1-5

System Memory........................................................................................................... 1-5

Memory Map ........................................................................................................ 1-6

System Video............................................................................................................... 1-7

Parallel Interface .......................................................................................................... 1-11

Serial Interface............................................................................................................. 1-12

NEC Versa 4000 Series Chip Set ................................................................................. 1-12

Intel Pentium P54LM............................................................................................ 1-12

Cache Controller, Address Logic, Data Controller................................................. 1-13

System Logic, IDE Interface, Peripheral Controller ............................................... 1-13

Flash ROM ........................................................................................................... 1-13

ROM BIOS.................................................................................................... 1-14

VGA Controller .................................................................................................... 1-14

Video Controller Architecture ........................................................................ 1-15

Diskette Controller, Serial Interface, Parallel Interface .......................................... 1-15

Keyboard Controller ............................................................................................. 1-15

PCMCIA Controller.............................................................................................. 1-15

Interrupt Controllers ............................................................................................. 1-16

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iv Contents

Power Management Overview ..................................................................................... 1-17

System Power Management .................................................................................. 1-17

Local Power Management..................................................................................... 1-18

Plug and Play............................................................................................................... 1-18

Specifications............................................................................................................... 1-19

Section 2 Setup and Operation

Unpacking the System.................................................................................................. 2-1

Hardware Setup ........................................................................................................... 2-1

Cable Connections ................................................................................................ 2-2

Operating Controls ...................................................................................................... 2-3

Status Bar ............................................................................................................. 2-4

Status Icons ................................................................................................... 2-5

Battery Status ................................................................................................ 2-5

Function Keys (Fn Keys)....................................................................................... 2-6

Smart Power Switch ............................................................................................. 2-6

Dip Switch............................................................................................................ 2-7

Power-on Self-Test (Post)............................................................................................ 2-8

POST Errors......................................................................................................... 2-9

Setup Utility ................................................................................................................ 2-10

Accessing Setup.................................................................................................... 2-10

With an Error at POST .................................................................................. 2-10

With No Errors at POST................................................................................ 2-10

Setup Screen......................................................................................................... 2-11

Setup Keys..................................................................................................... 2-11

Changing/Setting Parameter Settings............................................................................ 2-11

Parameter Options ....................................................................................................... 2-13

Parameter Descriptions ......................................................................................... 2-14

Time/Date...................................................................................................... 2-14

Drives ............................................................................................................ 2-14

Peripherals ..................................................................................................... 2-14

Security ......................................................................................................... 2-15

Power Savings ............................................................................................... 2-15

Security Options .......................................................................................................... 2-16

System Password .................................................................................................. 2-16

Using the System Password............................................................................ 2-16

Keyboard Lock Hotkey......................................................................................... 2-17

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Contents v

BIOS Update Utility (BUU) ......................................................................................... 2-17

Precautions ........................................................................................................... 2-17

Downloading the Update Utility ............................................................................ 2-17

Using the Update Utility........................................................................................ 2-18

Menu Functions .................................................................................................... 2-20

Power Sources............................................................................................................. 2-23

AC Adapter .......................................................................................................... 2-23

Battery Power....................................................................................................... 2-24

Recharging the Battery Pack .......................................................................... 2-24

Replacing the Battery Pack .......................................................................................... 2-24

Saving Battery Power ........................................................................................... 2-26

Automatic Power-Saving Features ............................................................................... 2-27

Section 3 Illustrated Parts Breakdown

Appendix A Connector Locations and Pin Assignments

List of Figures

1-1

NEC Versa 4000 Series System Features ....................................................... 1-1

1-2

NEC Versa 4000 Series (Rear View).............................................................. 1-2

2-1

Power and I/O Connector Locations .............................................................. 2-2

2-2

Keyboard Panel Controls................................................................................ 2-3

2-3

Right Side Panel Controls .............................................................................. 2-3

2-4

Status Bar Location ....................................................................................... 2-4

2-5

Status Bar Icons............................................................................................. 2-5

2-6

Dip Switch Location ...................................................................................... 2-7

2-7

Dip Switch Settings........................................................................................ 2-7

2-8

Connecting the AC Adapter ........................................................................... 2-23

2-9

Battery Cover Latch Location ........................................................................ 2-25

2-10

Battery Pack Replacement.............................................................................. 2-25

2-11

Battery Bay Cover Replacement..................................................................... 2-26

3-1

NEC Versa 4000 Series Illustrated Parts Breakdown...................................... 3-3

A-1

System Board Connector Locations ............................................................... A-1

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