NEC Laptop Service Manual

Model :
NEC VERSA 2000 (RT1)
NEC Versa 2400 Series
NEC Versa 2500 Series
NEC Versa 2600 Series
NEC Versa 2700 Series
NEC Versa 4000 Series
NEC Versa 5000 Series
NEC Versa 6000 Series
NEC Versa 6050 Series
NEC Versa 6200 Series

VERSA 2000 (RT1)
SERVICE AND REFERENCE MANUAL

Contents
Preface
Abbreviations
Section 1 Technical Information
Hardware Overview
Liquid Crystal Display (LCD)
System Board
Battery Pack
CMOS Battery
Bridge Battery
PCMCIA Slots
Keyboard
NEC VersaGlide
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa 2000 Series Chip Set
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System Logic
Flash ROM
ROM BIOS
Peripheral Controller
VGA Controller
Video Controller Architecture
Diskette Controller, Serial Interface, Parallel Interface
Keyboard Controller
PCMCIA Controller
I/O Addressing
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
Unpacking the System
Setup
Cable Connections
Operating Controls
LEDs
Function Keys (Fn Keys)
CMOS Clear Switch and Keyboard Switch
Smart Power Switch
Power-on Self-Test (Post)
POST Errors
System Parameters
Auto Setup
Accessing Auto Setup
Auto Setup Keys
Auto Setup Parameter Options
Parameter Descriptions
Comms
Drives
Keyboard
Power
System
Time/Date
Using Auto Setup to Select Parameters
Security Options
System Password
Using the System Password
Keyboard Lock Hotkey
NEC Utilities
BIOS Update Utility (BUU)
Precautions
Downloading the Update Utility
Using the Update Utility
Menu Functions
Power Sources
AC Adapter
Battery Power
Recharging the Battery Pack
Replacing the Battery Pack
Saving Battery Power
Automatic Power-Saving Features
Power Saving Levels
Active Mode
Suspend Mode
Section 3 Illustrated Parts Breakdown
Appendix A Connector Locations and Pin Assignments
List of Figures
1-1 Versa 2000 Series (Right Side View)
1-2 Versa 2000 Series (Left Side View)
1-3 Versa 2000 Series (Rear View)
2-1 Power and I/O Connector Locations
2-2 Control and Switch Locations
2-3 CMOS Clear and Keyboard Switch Locations
2-4 Connecting the AC Adapter
2-5 Battery Release Latch Location
2-6 Battery Pack Replacement
3-1 Illustrated Parts Breakdown
A-1 System Board Connector Locations1
List of Tables
1-1 Versa 2000 Series Memory Map
1-2 CRT Display Mode (CRT only)
1-3 LCD Display Modes (640 x 480 TFT, Simultaneous CRT)
1-4 LCD Display Modes (640 x 480 DSTN, Simultaneous CRT)
1-5 Versa 2000 Series Chip Types and Technologies
1-6 Versa 2000 Series I/O Address Map
1-7 Versa 2000 Series Interrupt Level Assignments
1-8 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 FnKey Operations
2-4 POST Error Messages
2-5 Auto Setup Key Functions
2-6 Auto Setup Parameter Options
2-7 Automatic Power-Saving Features
3-1 Versa 2000 Series Field-Replaceable Parts
3-2 Option and Documentation Part Numbers
A-1 System Board Connectors
A-2 Keyboard/Mouse Connector Pin Assignments
A-3 Serial Port Connector Pin Assignments
A-4 CRT Connector Pin Assignments
A-5 Parallel Printer Pin Assignments
A-6 Docking Connector Pin Assignments
A-7 Power Connector
A-8 Hard Disk Drive Connector

Service Manual NEC Versa 2400 Series

Contents
Preface
Abbreviations
Section 1 Introduction
Feature Highlights
System Configuration
Quick Tour of the Notebook
Main Components
Color LCD Display Panel
Power Switch/LCD Cover Switch
Status Panel and Power Indicator
Keyboard
VersaGlide
Memory Slot Compartment
The Right Side Of the Notebook
Built-in Floppy Disk Drive
PCMCIA Slot Compartment
Hard Disk Drive Compartment
Front of the Notebook
Battery Compartment
Left Side of the Notebook
DC-IN Connector Jack
Hardware Reset Switch
The Rear of the Notebook
External Keyboard and PS/2 Mouse Port
VGA Port
Printer Port
Serial Port (COM 1)
Bottom of the Notebook
Battery Module Handle and Lock
ROM Memory Compartment Cover
System BIOS Setup Program
The Boot Setup Menu
System Upgrades
Memory Upgrade Procedure
System BIOS Upgrade Procedure
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Section 2 General Specifications
Product Mix
System Board Specifications
Transfer Board Specifications
Converter Board Specifications
LED Indicator Board
I/O Board
LCD Inverter Board
LED Status Indicators
FDD Specification
HDD Unit Specification
NiMH Battery Pack Specification
DC/DC Converter & Battery Charger Specification
Battery Charger
Keyboard
AC/DC Adapter
BIOS
Micro-Controller Function Description
Power Management Features (Mode Definition)
Power Management Features (Mode Transition)
Hot Key Definition
Environmental Specification
Power Source
Vibration
Shock
Electro-static Discharge (ESD)
Section 3 Hardware Functional Overview
Functional Block Diagram
System BIOS
System Processor
Major Functional Blocks
System Logic Controller
Memory Subsystem
DRAM Memory
ROM Memory
I/O Subsystem
Video Subsystem
Video Chipset Controller
External VGA Capability
Keyboard Subsystem
PCMCIA Controller and Sockets
Hard Disk Subsystem
Floppy Disk Drive Subsystem
Pointing Device Subsystem
Power Subsystem
AC Power Adapter
Internal Battery Pack
Powerboard
LCD Inverter Board Assembly
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook’s Exterior
Cleaning the Notebook’s Interior
Protecting the Disk Drives
Handling the Computer Battery Packs
Maintaining the LCD Quality
Required Tools and Equipment
Parts Removal and Replacement Procedures
Removing/Replacing the Notebook Battery Pack
Removing/Replacing the Hard Disk Drive Module
Removing/Replacing the Floppy Disk Drive Module
Removing/Replacing the LCD Status Bar Cover and Hinges
Removing/Replacing the Keyboard
Removing/Replacing the Heat Plate
Removing/Replacing the CPU
Removing/Replacing the Cover-Display LCD Assembly Module
Removing/Replacing the System Top Cover Assembly
and the VersaGlide Assembly
Removing/Replacing the LED Board
Removing/Replacing the System Board and I/O Board
Separating the System Board and I/O Board
Removing/Replacing the Power Board
NEC Versa 2400 Series Illustrated Parts Breakdown
Packaging and Documentation
Section 5 Troubleshooting and Repair
Service Information
Technical Support
Product Information
Ordering Information from FastFacts
Helpful Starters
Power On Self Test (POST)
POST Messages
Informational Messages
Run-time Error Messages
Quick Troubleshooting
Appendix A Video Modes
List of Figures
1-1 NEC Versa 2400 Series Notebook
1-2 System Configuration Diagram
1-3 Standard Keyboard Layout
1-4 VersaGlide
1-5 Memory Slot Compartment
1-6 Inserting a PCMCIA Card
1-7 Removing the Battery Pack
1-8 Left Side of the Notebook
1-9 Connecting the AC Adapter to the Notebook
1-10 The Rear Side of the Notebook
1-11 Connecting External Keyboard and Mouse
1-12 Connecting an External Monitor
1-13 Connecting to the Printer Port
1-14 Connecting to the Serial Port
1-15 The Boot Setup Menu
3-1 Functional Block Diagram
4-1 Hard Disk Drive Module Assembly
4-2 Floppy Drive Module Assembly
4-3 The LED Board Module Assembly
4-4 The System Board Module Assembly
4-5 The I/O Board Module Assembly
4-6 Power Board Module Assembly
4-7 NEC Versa 2400 Series Illustrated Parts Breakdown
List of Tables
1-1 Model Configurations
1-2 Feature Highlights
1-3 Fn Key Combination Summary
1-4 Boot Main Setup Menu
1-5 Boot Setup Peripherals Menu
1-6 Boot Setup Security Menu
1-7 Boot Setup Power Savings Menu
1-8 8 MB Memory Configurations
1-9 16 MB Memory Configurations
2-1 NEC Versa 2400 Series Specifications
2-2 Product Mix
2-3 Main Board Specifications
2-4 Transfer Board Specifications
2-5 Converter Board Specifications
2-6 LED Indicator Board Specifications
2-7 I/O Board Specifications
2-8 LCD Inverter Board Specifications
2-9 Status LED Descriptions
2-10 FDD Specifications
2-11 Hard Disk Drive Specifications
2-12 CD-ROM Reader Specifications
2-13 Battery Specifications
2-14 DC/DC Converter & Battery Charger
2-15 Battery Charger Specifications
2-16 Keyboard Specifications
2-17 AC/DC Adapter Specifications
2-18 BIOS Specifications
2-19 Micro-Controller Specifications
2-20 Power Management Modes
2-21 Mode Definitions
2-22 Hot Keys
2-23 Environmental Specifications
2-24 Power Specifications
2-25 Vibration Specifications
2-26 Shock Specifications
2-27 Electro-static Discharge (ESD) Specifications
4-1 NEC Versa 2400 Series Field-Replaceable Parts
4-2 Packaging and Documentation Part Numbers
5-1 NEC Service and Information Telephone Numbers
5-2 POST Error Messages
5-2 POST Error Messages
5-3 BIOS Informational Messages
5-4 Run-time Error Messages
5-5 Quick Troubleshooting
A-1 VGA Standard Modes (Text Mode)
A-2 VGA Standard Modes (Graphics Mode)
A-3 VGA Standard Modes (Planar Mode)
A-4 VGA Standard Modes (Packed Pixel Mode)
A-5 VGA Extended Modes (Text Mode)
A-6 VGA Extended Modes (4-Bit Linear Mode)
A-7 VGA Extended Modes (8-Bit Linear Mode)
A-8 VGA Extended Modes (15-Bit Linear Mode)
A-9 VGA Extended Modes (16-Bit Linear Mode)
- 1 MB Video Memory Only
A-10 VGA Extended Modes (24-Bit Linear Mode)
A-11 VGA Extended Modes (Planar Mode)
A-12 VGA Extended Modes (Packed Pixel Mode)
A-13 VGA High Refresh Modes (Packed Pixel Mode)
A-14 VGA High Refresh Modes (Planar Mode)
A-15 VGA High Refresh Modes (Packed Pixel Mode

Service Manual NEC Versa 2500 Series

Contents
Preface
Abbreviations
Section 1 Introduction
Feature Highlights
System Configuration
Quick Tour of the Notebook
Main Components
Color LCD Display Panel
Power Switch/LCD Cover Switch
Status Panel and Power Indicator
Keyboard 5
VersaGlide
Memory Slot Compartment
The Right Side of the Notebook
Built-In Disk Drive
PC Card Slot Compartment
Hard Disk Drive Compartment
Front of the Notebook
Battery Compartment
Left Side of the Notebook
DC-IN Connector Jack
Hardware Reset Switch
The Rear of the Notebook
External Keyboard and PS/2 Mouse Port
VGA Port
Printer Port
Serial Port (COM1)
Bottom of the Notebook
Battery Module Handle and Lock
ROM Memory Compartment Cover
System BIOS Setup Program
The Boot Setup Menu
System Upgrades
Memory Upgrade Procedure
System BIOS Upgrade Procedure
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Section 2 General Specifications
Product Mix
System Board Specifications
Transfer Board Specifications
Converter Board Specifications
LED Indicator Board Specifications
I/O Board Specifications
LCD Inverter Board Specifications
LED Status Indicators Specifications
Diskette Drive Specifications
HDD Unit Specifications
CD-ROM Specifications
NIMH Battery Pack Specifications
DC/DC Converter & Battery Charger Specifications
Battery Charger Specifications
Keyboard Specifications
AC/DC Adapter Specifications
BIOS Specifications
Micro-Controller Function Description
Power Management Features (Mode Definition)
Power Management Features (Mode Transition)
Hot Key Definition
Environmental Specifications
Power Source Specifications
Vibration Specifications
Shock Specifications
Electro-Static Discharge (ESD) Specifications
Section 3 Hardware Functional Overview
Functional Block Diagram
System BIOS
System Processor
Major Functional Blocks
System Logic Controller
Memory Subsystem
DRAM Memory
ROM Subsystem
I/O Subsystem
VIDEO Subsystem
Video Chipset Controller
External VGA Capability
Keyboard Subsystem
PCMCIA Controller and Sockets
Hard Disk Subsystem
Diskette Drive Subsystem
Pointing Device Subsystem
Power Subsystem
AC Power Adapter
Internal Battery Pack
Power Board
LCD Inverter Board Assembly
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook’s Exterior
Cleaning the Notebook’s Interior
Protecting the Disk Drives
Handling the Computer Battery Packs
Maintaining the LCD Quality
Required Tools and Replacement Procedures
Parts Removal and Replacement Procedures
Removing/Replacing the Notebook Battery Pack
Removing/Replacing the Hard Disk Drive Module
Removing/Replacing the Diskette Drive Module
Removing/Replacing the LCD Status Bar Cover and Hinges
Removing/Replacing the Keyboard
Removing/Replacing the Heat Plate
Removing/Replacing the CPU
Removing/Replacing the Cover-Display LCD Assembly Module
Removing/Replacing the System Top Cover Assembly and the NEC VersaGlide
Assembly
Removing/Replacing the LED Board
Removing/Replacing the System Board and I/O Board
Separating the System Board and I/O Board
Removing/Replacing the Power Board
Illustrated Parts Breakdown
Packaging and Documentation
Section 5 Troubleshooting and Repair
Service Information
Technical Support
Product Information
Ordering Information from FastFacts
Helpful Starters
Power On Self Test (POST
POST Messages
Informational Messages
Run-time Error Messages
Quick Troubleshooting
Appendix A Video Modes
VGA Standard Modes
VGA Extended Modes
VGA High Refresh Modes
List of Figures
1-1 NEC Versa 2500 Series Notebook
1-2 System Configuration Diagram
1-3 Standard Keyboard Layout
1-4 VersaGlide
1-5 Memory Slot Compartment
1-6 Inserting a PC Card
1-7 Removing the Battery Pack
1-8 Left Side of the Notebook
1-9 Connecting the AC Adapter to the Notebook
1-10 The Rear Side of the Notebook
1-11 Connecting an External Keyboard and Mouse
1-12 Connecting an External Monitor
1-13 Connecting to the Printer Port
1-14 Connecting to the Serial Port
1-15 Bottom View of the Notebook
1-16 The Boot Setup Menu
3-1 Functional Block Diagram
4-1 Hard Disk Drive Module Assembly
4-2 Floppy Drive Module Assembly
4-3 The LED Board Module Assembly
4-4 The System Board and I/O Board
4-5 The I/O Board Module Assembly
4-6 Power Board Module Assembly
4-7 NEC Versa 2500 Series Illustrated Parts Breakdown
List of Tables
1-1 Model Configurations
1-2 Feature Highlights
1-3 Fn Key Combination Summary
1-4 Boot Main Setup Menu
1-5 Boot Setup Peripherals Menu
1-6 Boot Setup Security Menu
1-7 Boot Setup Power Savings Menu
1-8 16 MB Memory Configurations
2-1 NEC Versa 2500 Series Specifications
2-2 Product Mix
2-3 Main Board Specifications
2-4 Transfer Board Specifications
2-5 Converter Board Specifications
2-6 LED Indicator Board Specifications
2-7 I/O Board Specifications
2-8 LCD Inverter Board Specifications
2-9 Status LED Descriptions
2-10 Diskette Drive Specifications
2-11 Hard Disk Drive Specifications
2-12 CD-ROM Reader Specifications
2-13 Battery Specifications
2-14 DC/DC Converter & Battery Charger Specifications
2-15 Battery Charger Specifications
2-16 Keyboard Specifications
2-17 AC/DC Adapter Specifications
2-18 BIOS Specifications
2-19 Micro-Controller Specifications
2-20 Power Management Modes
2-21 Mode Definitions
2-22 Hot Keys
2-23 Environmental Specifications
2-24 Power Specifications
2-25 Vibration Specifications
2-26 Shock Specifications
2-27 Electro-Static Discharge (ESD) Specifications
4-1 NEC Versa 2500 Series Field-Replaceable Parts
4-2 Packaging and Documentation Part Numbers
5-1 NEC Service and Information Telephone Numbers
5-2 POST Error Messages
5-3 BIOS Informational Messages
5-4 Run-time Error Messages
5-5 Quick Troubleshooting
A-1 VGA Standard Modes (Text Mode)
A-2 VGA Standard Modes (Graphics Mode)
A-3 VGA Standard Modes (Planar Mode)
A-4 VGA Standard Modes (Packed Pixel Mode)
A-5 VGA Extended Modes (Text Mode)
A-6 VGA Extended Modes (4-Bit Linear Mode)
A-7 VGA Extended Modes (8-Bit Linear Mode)
A-8 VGA Extended Modes (15-Bit Linear Mode)
A-9 VGA Extended Modes (16-Bit Linear Mode)-1MB Video Memory Only
A-10 VGA Extended Modes (24-Bit Linear Mode)
A-11 VGA Extended Modes (Planar Mode)
A-12 VGA Extended Modes (Packed Pixel Mode)
A-13 VGA High Refresh Modes (Packed Pixel Mode)
A-14 VGA High Refresh Modes (Planar Mode)
A-15 VGA High Refresh Modes (Packed Pixel Mode)

NEC Versa 2600 Series Service Guide

Contents
Preface
Abbreviations
Section 1 Technical Information
Hardware Overview — Front
Liquid Crystal Display (LCD)
Power Button
Power and Status LEDs
Keyboard
NEC VersaGlide
CD-ROM Reader and Diskette Drive
Hardware Overview — Right Side
PC Card Slots
Kensington Lock
Hardware Overview — Left Side
Hardware Overview — Rear
Infrared Port
Keyboard/Mouse Port
Expansion Port
Monitor (Video) Port
Parallel Port (LPT1)
Serial Port (COM1)
AC/DC Power Port
Hardware Overview — Internal Components
Battery Pack
Hard Disk Drive
Diskette Drive
10x CD-ROM Reader
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CPU Board
Sound Board
I/O Board
Bridge Battery
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa Chip set
Intel Pentium P55CLM Microprocessor
256K X Flash ROM
ROM BIOS
VGA Controller
Keyboard Controller
PC Card Controller
Sound Integrated Circuit
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
Section 2 Setup and Operation
Unpacking the System
Hardware Setup
Cable Connections
Power Sources
Using the AC Adapter
Using the Main Battery Pack
Installing the Battery Pack
How to Recharge the Battery Pack
Battery Handling
Replacing the Battery Pack
Battery Life
Extending Battery Life
Battery Charging
Battery Precautions
Battery Disposal
Internal Batteries
Extending Battery Life
Operating Controls
Status Icons and LEDs
Status Icons
Function Keys (Fn Keys)
Updating the System BIOS
Power-On Self -Test (POST)
POST Errors
Setup Utility
Setup Utility
How to Enter Setup
How to Use Setup
The Setup Screen
Using Keys
Checking/Setting System Parameters
Using Power Management
Power Saving Modes
Power Management Settings
Using Fn-F3
Section 3 Troubleshooting
Quick Troubleshooting
Helpful Questions
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook Exterior
Cleaning the Notebook Interior
Protecting the Disk Drives
Handling the Battery Packs
Maintaining the LCD Quality
Disassembly and Reassembly
Required Tools and Equipment
Battery Pack
Hard Disk Drive
Keyboard
Heat Shield and CPU Board
LCD and Top Cover
VersaGlide Assembly
Sound Board
LED Status Board and IR Board
10X CD-ROM Reader and Heat Shield
Bridge Battery and Diskette and Hard Drive Connector Board
Diskette Drive
Power Board
Main Board
Reassembly
Illustrated Parts Breakdown
Service Information
Technical Support
Product Information
Ordering Information from FaxFlash
Appendix A Connector Locations and Pin Assignments
Appendix B Video Modes
List of Figures
1-1 NEC Versa 2600 Series Notebook
1-2 Front View
1-3 Keyboard Layout
1-4 VersaGlide Location
1-5 Right Side Features
1-6 Left Side Features
1-7 Rear Features
1-8 CPU Board Layout
1-9 Sound Board Layout
1-10 I/O Board
2-1 AC Adapter
2-2 Powering On the System
2-3 Power and I/O Connector Locations
2-4 NEC Versa AC Adapter
2-5 Battery Release Latch
2-6 Inserting Battery Pack
2-7 Panel LEDs and Controls
2-8 Status Icons
4-1 Releasing the Battery Pack
4-2 Removing the Hard Disk Drive (Step1)
4-3 Removing the Hard Disk Drive (Step 2)
4-4 Removing the Hard Disk Drive (Step 3)
4-5 Removing the Keyboard
4-6 Removing the Heat Sink/Shield Subassembly
4-7 Removing the CPU Board
4-8 Removing the LCD Assembly (Step 1)
4-9 Removing the LCD Assembly (Step 2)
4-10 Disconnecting VersaGlide Cables
4-11 Removing the CD-ROM Reader
4-12 Removing the CD-ROM Reader Assembly Screws
4-13 Removing the Bridge Battery and Diskette and Hard Drive Connector Board
4-14 NEC Versa 2600 Series Illustrated Parts Breakdown
A-1 CPU Board Layout
A-2 Main Board Layout
A-3 Sound Board Layout
List of Tables
1-1 Model Configurations NEC Versa 2600 Series
1-2 Memory Map
1-3 NEC Versa 2600 Series Chip Types and Technologies
1-4 Interrupt Controllers
1-5 DMA Channel
1-6 Automatic Power-Saving Features
1-7 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 Fn Key Operations
2-4 POST Error Messages
2-5 Setup Key Functions
2-6 Setup Parameters
2-7 Automatic Power-Saving Features
3-1 Quick Troubleshooting
4-1 NEC Versa 2600 Series Disassembly Sequence
4-2 NEC Versa 2600 Series Field-Replaceable Parts
4-3 NEC Service and Information Telephone Numbers
A-1 CPU Board Connector
A-2 Main Board Connectors
A-3 Sound Board Connectors
A-4 Keyboard/Mouse Connectors
A-5 Serial Port Connector Pin Assignments
A-6 CRT Connector Pin Assignments
A-7 Parallel Printer Pin Assignments
A-8 Power Connector
A-9 Hard Disk Drive Connector
B-1 LCD Display Mode Setting (800x600 TFT Color LCD
and Simultaneous CRT Display)
B-2 CRT Display Mode (CRT Only)
B-3 Panning Video Mode (800x600 TFT Color LCD and
Simultaneous CRT Display)

Service Manual NEC Versa 2700 Series

CONTENTS
Preface
Abbreviations
Section 1 Technical Information
Feature Highlights
System Configuration
Quick Tour of the Notebook
Main Components
Color LCD Display Panel
Power Button/LCD Cover Switch
Status Panel and Power Indicator
Keyboard
VersaGlide
Under the Palm Rest in Front of the Notebook
Hard Disk Drive
Memory Module Compartment
Right Side of the Notebook
Non-Removable Floppy Disk Drive
Battery Compartment
DC-IN Connector Jack
Left Side of the Notebook
PC Card Slot Compartment
The USB Connector
The FIR Window
The Audio Jacks and Thumbwheel Volume Control
The Fax/Modem
Rear of the Notebook
External Keyboard and PS/2 Mouse Port
VGA Port
Printer Port
Serial Port (COM1)
System BIOS Setup Program
The Boot Setup Menu
System Upgrades
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Section 2 General Specifications
System Board Specifications
DC Converter Board Specifications
LED Indicator Board Specifications
I/O Board Specifications
LCD Inverter Board Specifications
LED Status Indicators
Diskette Drive Specifications
HDD Unit Specifications
CD-ROM Specifications
NIMH Battery Pack Specifications
DC/DC Converter And Battery Charger Specifications
Battery Charger Specifications
Keyboard Specifications
AC/DC Adapter Specifications
LCD/LED Board Specifications
BIOS Specifications
Power Management Features (Mode Definition)
Power Management Features (Mode Transition)
Hot Key Definition
Hot Keys Supported By External Keyboard Definition
Environmental Specifications
Power Source Specifications
Vibration Specifications
Shock Specifications
Electro-Static Discharge (ESD) Specifications
Section 3 Hardware Functional Overview
Functional Block Diagram
System BIOS
System Processor
System Logic Controller
Memory Subsystem
DRAM Memory
ROM Memory
I/O Subsystem
VIDEO Subsystem
External VGA Capability
Keyboard Subsystem
PCMCIA Controller And Sockets
Hard Disk Subsystem
Diskette Drive Subsystem
Pointing Device Subsystem
Power Subsystem
AC Power Adapter
Internal Battery Pack
Power Board
LCD Inverter Board Assembly
Section 4 Troubleshooting and Repair
Service Information
Technical Support
Product Information
Helpful Starters
Power-On Self Test (POST) 4
POST Messages
Beep Codes
Informational Messages
Run-time Error Messages
Quick Troubleshooting
Section 5 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook’s Exterior
Cleaning the Notebook’s Interior
Protecting the Disk Drives
Handling the Computer Battery Packs
Maintaining the LCD Quality
Required Tools And Equipment
Parts Removal And Replacement Procedures
Removing/Replacing the Notebook Battery Pack
Removing/Replacing the Hard Disk Drive Module
Removing/Replacing the CMOS Battery
Removing/Replacing the Fax/Modem
Removing/Replacing the Keyboard and LCD Assembly
Memory Upgrade Procedure
HDPREPEZ Utility
Changing Switch Settings Procedure
Sealant Replacement Procedure
System BIOS Upgrade Procedure
Removing/Replacing the CPU Module
Removing/Replacing the NEC VersaGlide Assembly
Removing/Replacing the LED Board
Removing/Replacing the System Board
Illustrated Parts Breakdown
Packaging and Documentation
Index
List of Figures
1-1 NEC Versa 2700 Series Notebook
1-2 System Configuration Diagram
1-3 LCD Panel
1-4 System Status LED Panel
1-5 Device Status LED Panel
1-6 Standard Keyboard Layout
1-7 VersaGlide
1-8 Memory Module Sockets
1-9 Connecting the AC Adapter to the Notebook
1-10 Left Side of the Notebook
1-11 Inserting a PC Card
1-12 Rear Side of the Notebook
1-13 Connecting an External Keyboard and PS/2 Mouse
1-14 Connecting an External Monitor
1-15 Connecting to the Printer Port
1-16 Connecting to the Serial Port
1-17 The AMIBIOS Setup Utility Menu
1-18 The Standard CMOS Setup Menu
1-19 The Advanced CMOS Setup Menu
1-20 The Power Management Setup Menu
1-21 The Peripheral Setup Menu
3-1 Functional Block Diagram
5-1 Disconnecting the Hard Drive Assembly
5-2 Cover screw locations
5-3 Memory module notch locations
5-4 Memory module sockets
5-5 Locating the palm rest screws
5-6 Two dip switch banks
5-7 One dip switch bank
5-8 Factory default switch settings (SW50)
5-9 Factory default switch settings (SW52)
5-10 The LED Board Module Assembly
5-11 The Electronic Module Assembly
5-12 NEC Versa 2700 Series Illustrated Parts Breakdown
List of Tables
1-1 Model Configurations
1-2 Feature Highlights
1-3 Fn Key Combination Summary
1-4 Hot Keys Supported by the External Keyboard
1-5 Setup Utility Menu
1-6 Standard CMOS Setup Menu
1-7 Advanced CMOS Setup Menu
1-8 Power Management Setup Menu
1-9 Peripheral Setup Menu
1-10 16-MB Memory Configurations
1-11 32-MB Memory Configurations
1-12 64-MB Memory Configurations
2-1 NEC Versa 2700 Series Specifications
2-2 System Board Specifications
2-3 DC Converter Board Specifications
2-4 LED Indicator Board Specifications
2-5 I/O Board Specifications
2-6 LCD Inverter Board Specifications
2-7 Status LED Descriptions
2-8 Diskette Drive Specifications
2-9 Hard Disk Drive Specifications
2-10 CD-ROM Reader Specifications
2-11 Battery Specifications
2-12 DC/DC Converter and Battery Charger Specifications
2-13 Battery Charger Specifications
2-14 Keyboard Specifications
2-15 AC/DC Adapter Specifications
2-16 LCD/LED Board Specifications
2-17 BIOS Specifications
2-18 Power Management Modes
2-19 Power Status of Local Devices
2-20 Mode Definitions
2-21 Hot Keys
2-22 External Hot Keys
2-23 Environmental Specifications
2-24 Power Specifications
2-25 Vibration Specifications
2-26 Shock Specifications
2-27 Electro-Static Discharge Specifications
4-1 NECCSD Service and Information Telephone Numbers
4-2 POST Error Messages
4-3 Beep Codes
4-4 BIOS Informational Messages
4-5 Run-time Error Messages
4-6 Quick Troubleshooting
5-1 16-MB Memory Configurations
5-2 32-MB Memory Configurations
5-3 64-MB Memory Configurations
5-4 NEC Versa 2700 Series Field-Replaceable Parts
5-5 Packaging and Documentation Part Numbers

Service Manual NEC Versa 4000 Series

Contents
Preface
Abbreviations
Section 1 Technical Information
Hardware Overview
Liquid Crystal Display (LCD
CPU Board
I/O Board
Sound Board
Infrared (IR) Front Assembly, Rear Assembly
Battery Pack
CMOS Battery
Bridge Battery
PCMCIA Slots
Diskette Drive and the NEC VersaBay II
Keyboard
NEC VersaGlide
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa 4000 Series Chip Set
Intel Pentium P54LM
Cache Controller, Address Logic, Data Controller
System Logic, IDE Interface, Peripheral Controller
Flash ROM
ROM BIOS
VGA Controller
Video Controller Architecture
Diskette Controller, Serial Interface, Parallel Interface
Keyboard Controller
PCMCIA Controller
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
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Section 2 Setup and Operation
Unpacking the System
Hardware Setup
Cable Connections
Operating Controls
Status Bar
Status Icons
Battery Status
Function Keys (Fn Keys)
Smart Power Switch
Dip Switch
Power-on Self-Test (Post)
POST Errors
Setup Utility
Accessing Setup
With an Error at POST
With No Errors at POST
Setup Screen
Setup Keys
Changing/Setting Parameter Settings
Parameter Options
Parameter Descriptions
Time/Date
Drives
Peripherals
Security
Power Savings
Security Options
System Password
Using the System Password
Keyboard Lock Hotkey
BIOS Update Utility (BUU)
Precautions
Downloading the Update Utility
Using the Update Utility
Menu Functions
Power Sources
AC Adapter
Battery Power
Recharging the Battery Pack
Replacing the Battery Pack
Saving Battery Power
Automatic Power-Saving Features
Section 3 Illustrated Parts Breakdown
Appendix A Connector Locations and Pin Assignments
List of Figures
1-1 NEC Versa 4000 Series System Features
1-2 NEC Versa 4000 Series (Rear View)
2-1 Power and I/O Connector Locations
2-2 Keyboard Panel Controls
2-3 Right Side Panel Controls
2-4 Status Bar Location
2-5 Status Bar Icons
2-6 Dip Switch Location
2-7 Dip Switch Settings
2-8 Connecting the AC Adapter
2-9 Battery Cover Latch Location
2-10 Battery Pack Replacement
2-11 Battery Bay Cover Replacement
3-1 NEC Versa 4000 Series Illustrated Parts Breakdown
A-1 System Board Connector Locations
List of Tables
1-1 NEC Versa 4000 Series System Memory Map
1-2 CRT Display Mode (CRT only)
1-3 LCD Display Modes (640 x 480 TFT, Simultaneous CRT)
1-4 LCD Display Modes (640 x 480 DSTN, Simultaneous CRT)
1-5 NEC Versa 4000 Series Chip Types and Technologies
1-6 NEC Versa 4000 Series Interrupt Level Assignments
1-7 Maximum Performance Default Settings
1-8 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 FnKey Operations
2-4 POST Error Messages
2-5 Setup Key Functions
2-6 System Parameter Settings
2-7 Automatic Power-Saving Features
3-1 NEC Versa 4000 Series Field-Replaceable Parts
3-2 Option and Documentation Part Numbers
A-1 CPU Board Connectors
A-2 Keyboard/Mouse Connector Pin Assignments
A-3 Serial Port Connector Pin Assignments
A-4 CRT Connector Pin Assignments
A-5 Parallel Printer Pin Assignments
A-6 Expansion Connector Pin Assignments
A-7 Power Connector
A-8 Hard Disk Drive Connector
A-9 Diskette Drive Connector

Service Manual NEC Versa 5000 Series

Contents
Preface
Abbreviation
Section 1 Technical Information
Hardware Overview—Front
Liquid Crystal Display (LCD)
Power Button and Status LEDs
Keyboard
NEC VersaGlide
UltraSlim VersaBay
Hardware Overview—Sides of the system
Around the Bottom of the System
Around the Back of the System
Hardware Overview—Internal Components
Battery Pack
Hard Disk Drive
Diskette Drive
20X CD-ROM Reader
CPU Board
Audio Board
Main Board
Bridge Battery
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa Chip Set
Intel Pentium P55CLM Microprocessor
FireStar System Controllers
USB Controllers
256K X Flash ROM
ROM BIOS
VGA Controller
Parallel Interface
Keyboard Controller
PC CardBus Controller
Sound Integrated Circuit
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
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Section 2 Setup and Operation
Unpacking the System
Hardware Setup
Cable Connections
Power Sources
Using the AC Adapter
Using the Main Battery Pack
Checking Battery Power Levels
What to Do When Battery Power Gets Low
When to Change the Battery
Battery Handling
Replacing the Battery Pack
Battery Precautions
Recharging Battery Precautions
Extending Battery Life
Operating Controls
Power Button and Status LEDs
Function Keys (Fn Keys)
Smart Power Switch
Power-on Self-Test (POST)
POST Errors
Setup Utility
Accessing Setup
With an Error at POST
With No Errors at POST
Setup Utility Main Menu
How to Use Setup
Looking at Screens
Using Keys
Checking/Setting System Parameters
Setup Menus
Main
Advanced
Security
Power Savings
Exit
Using Power Management
Power Saving Modes
Power Management Settings
Section 3 Troubleshooting
Quick Troubleshooting
Helpful Questions
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook Exterior
Cleaning the Notebook Interior
Protecting the Disk Drives
Handling the Battery Pack
Maintaining the LCD Quality
Disassembly and Reassembly
Required Tools and Equipment
Battery Pack
UltraSlim VersaBay
Removing the Hard Disk Drive
Keyboard
LCD and Top Cover Assembly
Hinge covers
Bottom Assembly
Illustrated Parts Breakdown
Service Information
Technical Support
Product Information
Ordering Information from Faxflash
Appendix A Connector Locations and Pin Assignments
Appendix B Video Modes
Index
List of Figures
1-1 NEC Versa 5000 Notebook
1-2 Location of Controls on the Front of the NEC Versa 5000
1-3 LCD Status Bar and Button Locations
1-4 Keyboard Layout
1-5 VersaGlide Location
1-6 Left Side Features
1-7 Bottom of the System
1-8 Back system features
2-1 Connecting the AC Adapter
2-2 Power and I/O Connector Locations
2-3 NEC Versa AC Adapter
2-4 Batter Release Latches
2-5 Sliding the Battery Release Latches
2-6 Removing the Battery Pack
2-7 Installing the Battery Pack
2-8 Replacing the Latch
2-9 Power Button and Status LED Location
2-10 Setup Main Menu
2-11 Password Override Switch
4-1 Releasing the Battery Pack
4-2 Release Lever Cover
4-3 Opening the Cover
4-4 Pressing the Release Lever
4-5 Removing the Device
4-6 Releasing the Spacer
4-7 Sliding the Drive Towards the Spacer
4-8 Removing the Hard Drive
4-9 Top Cover Subassembly
4-10 NEC Versa Model 5000 Illustrated Parts Breakdown
A-1 CPU Board Layout
A-2 I/O Board Layout
List of Tables
1-1 Model Configurations
1-2 Memory Map
1-3 NEC Versa Series Chip Types and Technologies
1-4 Interrupt Controllers
1-5 Automatic Power-Saving Features
1-6 Maximum Performance Default Settings
1-7 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 Fn Key Operations
2-4 POST Error Messages
2-5 Setup Key Functions
2-6 Setup Parameters
2-7 Automatic Power-Saving Features
3-1 Quick Troubleshooting
4-1 NEC Versa 5000 Series Disassembly Sequence
4-2 Top Cover Components
4-3 NEC Versa 5000 Series Field-Replaceable Parts
4-4 NEC Service and Information Telephone Numbers
A-1 CPU Board Connectors
A-2 Top Cover Subassembly
A-3 Keyboard/Mouse Connectors
A-4 Serial Port Connector Pin Assignments
A-5 CRT Connector Pin Assignments
A-6 Parallel Printer Pin Assignments
A-7 Power Connector
A-8 Hard Disk Drive Connector
B-1 LCD Display Mode Setting (800x600 TFT Color LCD and
Simultaneous CRT Display)
B-2 LCD Display Mode Setting (800x600 TFT Color LCD and
Simultaneous CRT Display)
B-3 Panning Video Mode (800x600 TFT Color LCD and Simultaneous
CRT Display)

Service Manual NEC Versa 6000 Series

Preface
This service and reference manual contains the technical information necessary to set up, and maintain the NEC Versa® 6000 Series notebook computer. It also provides hardware and interface information for users who need an overview of the system’s design.

The manual is written for NEC-trained customer engineers, system analysts, service center personnel, and dealers.
The manual is organized as follows:

Section 1
Technical Information, provides an overview of the hardware and interface
components. System specifications are listed including computer dimensions, weight, environment, safety compliance, power consumption, and system memory specifications.
Section 2
Setup and Operation, takes the authorized service technician or dealer from unpacking to setup and operation. The section includes a description of operating controls, setting parameters and accessing the NEC bulletin board system (BBS).
Section 3
Troubleshooting and Repair, includes troubleshooting procedures.
Section 4
Field Service Guidelines, provides disassembly and assembly procedures, and an exploded-view diagram of the NEC Versa 6000 series system with part numbers.
Appendix A
Connector Locations and Pin Assignments, provides a list of the main board internal connector pin assignments and a list of external pin assignments.
Appendix B
Video Modes, lists NEC Versa 6000 supported video modes.
An Index is included for convenience.
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Service Manual NEC Versa 6050 Series

CONTENTS
Preface
Abbreviations
Section 1 Technical Information
Hardware Overview—Front
Liquid Crystal Display (LCD
Power Button
Status Bar and Power Indicator4
Status Icons
Keyboard
NEC VersaGlide
Diskette Drive and the NEC VersaBay II
Front Infrared (IR) Assembly
Hardware Overview—Right Side
Hardware Overview—Left Side
PC Card Slots
Battery Compartment
Hardware Overview—Rear Side
Keyboard/Mouse Port
Parallel Port (LPT1
Rear Infrared Port
Expansion Port
Monitor (Video) Port
Serial Port (COM 1)
Hardware Overview—Internal Components
Battery Pack
Hard Disk Drive
Diskette Drive
10x CD-ROM Reader
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CPU Board
Sound Board
I/O Board
Modem Board
CMOS Battery
Bridge Battery
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa Chip Set
Intel Pentium P55CLM Microprocessor
M-Triton System Controller
256K X Flash ROM
ROM BIOS
VGA Controller
Parallel Interface
Keyboard Controller
PC CardBus Controller
Sound Integrated Circuit
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
Section 2 Setup and Operation
Unpacking the System
Hardware Setup
Cable Connections
Power Sources
Using the AC Adapter
Using the Main Battery Pack
Checking Battery Power Levels
What to Do When Battery Power Gets Low
Returning the Battery to Full Operation
When to Change the Battery
Battery Handling
Replacing the Battery Pack
Battery Precautions
Recharging Battery Precautions
NEC VersaBay II Battery and Adapter Kit
Extending Battery Life
Using the DC Car Adapter
Operating Controls
Status Bar
Status Icons
Function Keys (Fn Keys
Smart Power Switch
Dip Switch
Updating the System BIOS
Power-On Self-Test (POST)
POST Errors
Setup Utility
Accessing Setup
With an Error at POST
With No Errors at POST
Setup Utility Main Menu
How to Use Setup
Looking at Screens
Using Keys
Checking/Setting System Parameters
Setup Menus
Standard CMOS Setup
Advanced CMOS Setup
Power Management Setup
Peripherals Setup
Change User Password
Change Supervisor Password
Auto Configuration with Defaults
Save Settings and Exit
Exit Without Saving
Using Setup to Set Power Management
Using the Save to File (STF) Feature
STF Benefits
Automatic Power-Saving Features
Section 3 Troubleshooting and Repair
Quick Troubleshooting
Helpful Questions
Informational Messages
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook’s Exterior
Cleaning the Notebook’s Interior
Protecting the Disk Drives
Handling the Battery Packs
Maintaining the LCD Quality
Required Tools and Equipment
Disassembly and Reassembly
Hard Disk Drive
Diskette Drive
Main Battery Pack (Li-Ion Type)
LCD and Top Cover
Power Button, Rear IR Assembly, Keyboard
LCD Status Bar, VersaGlide Assembly, 33.6 Kbps Modem Board,
Metal Keyboard Supports
Bridge Battery, CMOS Battery, Buzzer
Microphone Assembly, CPU Board
Heat Shield, Sound Board
I/O Board
Illustrated Parts Breakdown
Service Information
Technical Support
Product Information
Ordering Information from FastFacts
Appendix A Connector Locations and Pin Assignments
Appendix B Video Modes
List of Figures
1-1 NEC Versa 6050MH/6050MX Notebook
1-2 LCD Panel
1-3 Power Button Location
1-4 System Status Bar
1-5 Keyboard Layout
1-6 VersaGlide Location
1-7 NEC VersaBay II Location
1-8 Right Side Features
1-9 Left Side Features
1-10 Rear Features
1-11 Locating the Rear IR Port
1-12 CPU Board Layout
1-13 Sound Board Layout
1-14 I/O Board Layout
2-1 Connecting the AC Adapter
2-2 Powering on the System
2-3 Power and I/O Connector Locations
2-4 NEC Versa AC Adapter
2-5 Removing the Cover
2-6 Removing the Battery
2-7 Inserting the Battery Pack
2-8 Replacing the Cover
2-9 Connecting the Car DC Adapter
2-10 Keyboard Panel LEDs and Controls
2-11 Status Bar Location
2-12 Locating the Switch Settings
2-13 Setup Main Menu
2-14 Advanced CMOS Setup Menu
4-1 Removing the Drive Bay Cover
4-2 Removing the Hard Disk Drive
4-3 VersaBay II Release Latches
4-4 Removing the Standard Diskette Drive
4-5 Removing the Battery Compartment Cover
4-6 Removing the Battery
4-7 Removing the Bottom Base Screws
4-8 Disconnecting the LCD Connectors
4-9 Removing the Power Button, Rear IR Assembly, Keyboard
4-10 Disconnecting the Keyboard Cables
4-11 LCD Status Bar, VersaGlide Assembly, Modem Board,
Metal Keyboard Supports
4-12 Removing Bridge Battery, CMOS Battery, and Buzzer
4-13 Removing the CPU Board
4-14 Heat Shield, Sound Board
4-15 Removing the I/O Board
4-16 NEC Versa Models 6050MH and 6050MX Illustrated
Parts Breakdown
A-1 CPU Board Layout
A-2 I/O Board Layout
List of Tables
1-1 Model Configurations
1-2 Memory Map
1-3 NEC Versa Series Chip Types and Technologies
1-4 Interrupt Controllers
1-5 Automatic Power-Saving Features
1-6 Maximum Performance Default Settings
1-7 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 FnKey Operations
2-4 POST Error Messages
2-5 Setup Key Functions
2-6 Setup Parameters
2-7 Automatic Power-Saving Features
3-1 Quick Troubleshooting
3-2 BIOS Informational Messages
4-1 NEC Versa 6000 Series Disassembly Sequence
(Models 6050MH and 6050MX)
4-2 NEC Versa 6000 Series Field-Replaceable Parts
(Models 6050MH and 6050MX)
4-3 NEC Service and Information Telephone Numbers
A-1 CPU Board Connectors
A-2 I/O Board Connectors
A-3 Keyboard/Mouse Connectors
A-4 Serial Port Connector Pin Assignments
A-5 CRT Connector Pin Assignments
A-6 Parallel Printer Pin Assignments
A-7 Power Connector
A-8 Hard Disk Drive Connector
B-1 LCD Display Mode Setting (800x600) TFT Color LCD
& Simultaneous CRT Display)
B-2 CRT Display Mode (CRT Only)
B-3 Panning Video Mode (800x600) TFT Color LCD and
Simultaneous CRT Display)
B-4 LCD Display XGA Mode Setting (1024x768 TFT Color
LCD & Simultaneous CRT Display)
B-5 Standard XGA Video Mode Frequency

Service Manual NEC Versa 6200 Series

CONTENTS
Preface
Abbreviation
Section 1 Technical Information
Hardware Overview—Front
Liquid Crystal Display (LCD)
Power Button
LCD Status Bar and Power Indicator
Status Icons
Keyboard
NEC VersaGlide
Diskette Drive and the NEC VersaBay II
Infrared (IR) Assembly
Hardware Overview—Right Side
Hardware Overview—Left Side
PC Card Slots
Battery Compartment
Audio Ports and Volume Control
Hardware Overview—Rear Side
Keyboard/Mouse Port
Parallel Port (LPT1)
Expansion Port
External Monitor (Video) Port
Serial Port (COM1)
Hardware Overview—Internal Components
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Battery Pack
Hard Disk Drive
Diskette Drive
10X CD-ROM Reader
CPU Board
Sound Board
Graph Board
I/O Board
CMOS Battery
Bridge Battery
System Memory
Memory Map
System Video
Parallel Interface
Serial Interface
NEC Versa Chip Set
Intel Pentium P55CLM Microprocessor
M-Triton System Controllers
256K X Flash ROM
ROM BIOS
VGA Controller
Parallel Interface
Keyboard Controller
PC CardBus Controller
Sound Integrated Circuit
Interrupt Controllers
Power Management Overview
System Power Management
Local Power Management
Plug and Play
Specifications
Section 2 Setup and Operation
Unpacking the System
Hardware Setup
Cable Connections
Power Sources
Using the AC Adapter
Using the Main Battery Pack
Checking Battery Power Levels
What to Do When Battery Power Gets Low
Returning the Battery to Full Operation
When to Change the Battery
Battery Handling
Replacing the Battery Pack
Battery Precautions
Recharging Battery Precautions
NEC VersaBay II Battery and Adapter Kit
Extending Battery Life
Using the DC Car Adapter
Operating Controls
LCD Status Bar
Status Icons
Function Keys (Fn Keys)
Smart Power Switch
Setting Switches
Updating the System BIOS
Changing Switch Settings
Performing the BIOS Update
Power-on Self-Test (POST)
POST Errors
Setup Utility
Accessing Setup
With an Error at POST
With No Errors at POST
Setup Utility Main Menu
How to Use Setup
Looking at Screens
Using Keys
Checking/Setting System Parameters
Setup Menus
Advanced CMOS Setup
Power Management Setup Power Management Setup
Peripherals Setup
Other Setup Options
Using Setup to Set Power Management
Using the Save to File (STF) Feature
STF Benefits
Section 3 Troubleshooting
Quick Troubleshooting
Helpful Questions
Section 4 Field Service Guidelines
Preventive Maintenance
Cleaning the Notebook’s Exterior
Cleaning the Notebook’s Interior
Protecting the Disk Drives
Handling the Battery Packs
Maintaining the LCD Quality
Required Tools and Equipment
Disassembly and Reassembly
Hard Disk Drive
Diskette Drive
Main Battery Pack (Li-Ion Type)
Removing the Keyboard
Memory Upgrade
LCD and Top Cover
VersaGlide
LCD Status Bar
Bridge Battery, CMOS Battery, Buzzer
Sound Board
IR Assembly and Graph Board
CPU Assembly
I/O Board
Illustrated Parts Breakdown
Service Information
Technical Support
Product Information
Ordering Information from FaxFlash
List of Figures
1-1 NEC Versa 6200MX Notebook
1-2 LCD Panel
1-3 Power Button Location
1-4 System Status Bar
1-5 Keyboard Layout
1-6 VersaGlide Location
1-7 NEC VersaBay II Location
1-8 Right Side Features
1-9 Left Side Features
1-10 Rear Features
1-11 CPU Board Layout
1-12 Sound Board Layout
1-13 I/O Board Layout
2-1 Connecting the AC Adapter
2-2 Powering on the System
2-3 Power and I/O Connector Locations
2-4 NEC Versa AC Adapter
2-5 Removing the Cover
2-6 Removing the Battery
2-7 Inserting the Battery Pack
2-8 Replacing the Cover
2-9 Connecting the Car DC Adapter
2-10 Keyboard Panel LEDs and Controls
2-11 Status Bar Location
2-12 Dip Switch Location
2-13 Locating the Speaker Cap Screws
2-14 Removing the Speaker Caps
2-15 Lifting the Keyboard
2-16 Positioning the Keyboard
2-17 Dip Switches
2-18 Reassembling the System
2-19 Setup Main Menu
2-20 Advanced CMOS Setup Menu
4-1 Removing the Drive Bay Cover
4-2 Removing the Hard Disk Drive
4-3 VersaBay II Release Latches
4-4 Removing the Standard Diskette Drive
4-5 Removing the Battery Compartment Cover
4-6 Removing the Battery
4-7 Locating the Speaker Cap Screws
4-8 Removing the Speaker Caps
4-9 Lifting up the Keyboard
4-10 Positioning the Keyboard
4-11 DIMM Features
4-12 Installing the DIMM
4-13 Removing an Installed DIMM
4-14 Removing the Bottom Base Screws
4-15 Location of Three Screws
4-16 Separating the Top Cover from Base Unit
4-17 Removing the VersaGlide
4-18 LCD Status Board
4-19 Removing Bridge Battery, CMOS Battery, and Buzzer
4-20 Removing the IR Assembly
4-21 Removing the CPU Board from the Graph Board
4-22 Removing the I/O Board
4-23 NEC Versa Model 6200MX Illustrated Parts Breakdown
A-1 Graph Board Layout
A-2 I/O Board Layout
List of Tables
1-1 Model Configurations
1-2 Memory Map
1-3 NEC Versa Series Chip Types and Technologies
1-4 Interrupt Controllers
1-5 Automatic Power-Saving Features
1-6 Maximum Performance Default Settings
1-7 Specifications
2-1 I/O Connector Descriptions
2-2 Control and Switch Functions
2-3 Fn Key Operations
2-4 POST Error Messages
2-5 Beep Codes
2-6 Setup Key Functions
2-7 Setup Parameters
3-1 Quick Troubleshooting
4-1 NEC Versa 6200MX Series Disassembly Sequence
4-2 System RAM Expansion
4-3 NEC Versa 6200MX Series Field-Replaceable Parts
4-4 NEC Service and Information Telephone Numbers
A-1 Graph Board Connectors
A-2 I/O Board Connectors
A-3 Keyboard/Mouse Connectors
A-4 Serial Port Connector Pin Assignments
A-5 CRT Connector Pin Assignments
A-6 Parallel Printer Pin Assignments
A-7 Power Connector
A-8 Hard Disk Drive Connector
B-1 LCD Display Mode Setting (1024x768 TFT Color LCD and
Simultaneous CRT Display) Standard Video Mode
B-2 Frequency Table of Standard Video Mode
B-3 Expanded Video Mode
B-4 Frequency Table of Extended Video Mode
B-5 CRT Display Mode Setting (CRT-only Display)
B-6 Extended Video Mode
B-7 Panning Video Mode for (1024x768 TFT Color LCD and
Simultaneous CRT Display
B-8 NTSC/PAL TV Display Mode
B-9 Panning NTSC/PAL TV Mode