NEC Versa 240X Manuals

Manuals and User Guides for NEC Versa 240X. We have 1 NEC Versa 240X manual available for free PDF download: Service Manual

NEC Versa 240X Service Manual

NEC Versa 240X Service Manual (104 pages)

notebook computer

Brand: NEC | Category: Laptop | Size: 0.71 MB

Table of Contents

Preface
2
Table of Contents
3
Abbreviations
11
List of Tables

14
List of Figures

14
Section 1 Introduction

14
- NEC Versa 2400 Series Notebook
  14
- Model Configurations
  14
- Feature Highlights
  15
- System Configuration
  16
- Quick Tour of the Notebook
  17
  - Main Components
    17
    
    Color LCD Display Panel
    17
    
    Power Switch/Lcd Cover Switch
    17
    
    Status Panel and Power Indicator
    18
    
    Keyboard
    18
- Standard Keyboard Layout
  18
- Fn Key Combination Summary
  19
  - Versaglide
    20
  - Memory Slot Compartment
    20
  - The Right Side of the Notebook
    21
    
    Built-In Floppy Disk Drive
    21
    
    PCMCIA Slot Compartment
    21
- Inserting a PCMCIA Card
  21
  - Hard Disk Drive Compartment
    22
  - Front of the Notebook
    22
    
    Battery Compartment
    22
- Removing the Battery Pack
  22
  - Left Side of the Notebook
    23
    
    DC-IN Connector Jack
    23
    
    Hardware Reset Switch
    23
- Connecting the AC Adapter to the Notebook
  23
  - The Rear of the Notebook
    24
    
    External Keyboard and PS/2 Mouse Port
    24
- The Rear Side of the Notebook
  24
  - VGA Port
    25
- Connecting an External Monitor
  25
  - Printer Port
    26
  - Serial Port (COM 1)
    26
- Connecting to the Printer Port
  26
- Connecting to the Serial Port
  26
  - Bottom of the Notebook
    27
    
    Battery Module Handle and Lock
    27
    
    ROM Memory Compartment Cover
    27
- System BIOS Setup Program
  27
- The Boot Setup Menu
  28
- Boot Main Setup Menu
  29
- Boot Setup Peripherals Menu
  30
- Boot Setup Security Menu
  30
- Boot Setup Power Savings Menu
  31
- System Upgrades
  32
- Memory Upgrade Procedure
  32
- MB Memory Configurations
  33
- System BIOS Upgrade Procedure
  34
Section 2 General Specifications

35
- NEC Versa 2400 Series Specifications
  35
- Product MIX
  40
- System Board Specifications
  41
- Main Board Specifications
  41
- Transfer Board Specifications
  42
- Converter Board Specifications
  42
- LED Indicator Board
  43
- LED Indicator Board Specifications
  43
- I/O Board
  44
- I/O Board Specifications
  44
- LCD Inverter Board
  46
- LCD Inverter Board Specifications
  46
- LED Status Indicators
  47
- FDD Specification
  47
- Status LED Descriptions
  47
- FDD Specifications
  47
- HDD Unit Specification
  48
- Nimh Battery Pack Specification
  48
- Hard Disk Drive Specifications
  48
- CD-ROM Reader Specifications
  48
- Battery Specifications
  48
- DC/DC Converter & Battery Charger Specification
  49
- Battery Charger
  49
- Battery Charger Specifications
  49
- Keyboard
  50
- AC/DC Adapter
  50
- Bios
  51
- BIOS Specifications
  51
- Micro-Controller Function Description
  52
- Micro-Controller Specifications
  52
- Power Management Features (Mode Definition)
  53
- Power Management Modes
  53
- Power Management Features (Mode Transition)
  54
- Mode Definitions
  54
- Hot Key Definition
  55
- Environmental Specification
  55
- Hot Keys
  55
- Environmental Specifications
  55
- Power Source
  56
- Vibration
  56
- Vibration Specifications
  56
- Power Specifications
  56
- Shock
  57
- Electro-Static Discharge (ESD)
  57
- Electro-Static Discharge (ESD) Specifications
  57
Section 3 Hardware Functional Overview

58
- Functional Block Diagram
  59
- System BIOS
  60
  - System Processor
    60
  - Major Functional Blocks
    60
- System Logic Controller
  61
- Memory Subsystem
  63
  - DRAM Memory
    63
  - ROM Memory
    63
- I/O Subsystem
  63
- Video Subsystem
  64
  - Video Chipset Controller
    64
  - External VGA Capability
    65
- Keyboard Subsystem
  65
- PCMCIA Controller and Sockets
  66
- Hard Disk Subsystem
  67
- Floppy Disk Drive Subsystem
  67
- Pointing Device Subsystem
  67
- Power Subsystem
  67
  - AC Power Adapter
    68
  - Internal Battery Pack
    68
  - Powerboard
    68
  - LCD Inverter Board Assembly
    68
Section 4 Field Service Guidelines

69
Section 5 Troubleshooting and Repair

85
- Service Information
  85
- Technical Support
  85
- NEC Service and Information Telephone Numbers
  85
- Product Information
  86
  - Ordering Information from Fastfacts
    86
- Helpful Starters
  87
- Power on Self Test (POST)
  88
  - POST Messages
    88
- POST Error Messages
  88
- POST Error Messages
  89
  - Informational Messages
    91
  - BIOS Informational Messages
    91
  - Run-Time Error Messages
    92
- Quick Troubleshooting
  93
Appendix A Video Modes

96
- Battery Replacement
  101
- Battery Disposal
  101

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