Acer 740 - page 35

Chapter 1 27

IRQ12 PS/2 device

IRQ13 Math process or

IRQ14 1st EIDE device (hard disk)

IRQ15 2nd EIDE device (CD-ROM dri v e)

DMA Channel Assignment

DMA Channel Function

DRQ0 Reserved

DRQ1 Reserved

DRQ2 Floppy

DRQ3 Reserved

DRQ4 DMA cont roller

DRQ5 Reserved

DRQ6 Reserved

DRQ7 Reserved

IRQ Assignment Map

Interrupt Channel Function

Contents

Main Page Copyright Disclaimer Conventions Preface Page Table of Contents Chapter 1 System Specifications 1 Chapter 2 System Utilities 29 Chapter 3 Machine Disassembly and Replacement 41 Table of Contents Chapter 4 Troubleshooting 65 Chapter 5 Jumper and Co nnector Locations 81 Appendix C Online Support Information 105 Index 107 System Specifications Chapter 1 Features Performance Display Expansion Keyboard and Pointing Device I/O Ports System Block Diagram Mob il e CPU AC - LINK LCD ICH3-M Board Layout Page 6Chapter 1 Outlook View Front View Chapter 1 7 Left Panel 8Chapter 1 Right Panel Chapter 1 9 Rear Panel 10 Chapter 1 Bottom Panel Indicators 12 Chapter 1 Lock Keys The keyboard has three lock keys which you can toggle on and off. Embedded Numeric Keypad 14 Chapter 1 Windows Keys The keyboard has two keys that perform Windows-specific functions. Chapter 1 15 Hot Keys Touchpad Touchpad Basics Chapter 1 17 Hardware Specifications and Configuratio ns Processor BIOS Second Level Cache System Memory Page Chapter 1 19 Hard Disk Drive Interface DVD-ROM Interface Floppy Disk Drive Interface 20 Chapter 1 Chapter 1 21 Parallel Port Serial Port USB Port Page Page 24 Chapter 1 Power Management AC Adapter Chapter 1 25 Environmental Requirements Mechanical Specification Memory Address Map I/O Address Map 26 Chapter 1 IRQ Assignment Map I/O Address Map Page Page System Utilities Chapter 2 BIOS Setup Utility System Information Basic System Settings Startup Configuration Setting the Boot Drive Sequence Onboard Device Configuration System Security Page Page BIOS Flash Utility System Utility Diskette System Diagnostic Diskette Page Page Chapter 3 Machine Disassembly and Replacement Page Chapter 3 43 Disassembly Procedure Flow chart Start Start 44 Chapter 3 Screw List Page Page Page Page Page Page Page Page Removing the CPU Removing the RTC Separating the Lower Case from the Upper Case Removing the Fan Removing the DC-DC Charger Board Removing the System Board Removing the Audio Jack Cover Removing the PCMCIA Socket Removing the Modem Power Cable Page Disassembling the LCD Module Removing the LCD Bezel Removing the Speaker Assembly Module Removing the Inverter Board Removing the LCD Bracket Removing the LED Board Removing the Microphone Removing the Left and Right Hinges Page Page Troubleshooting Chapter 4 System Check Procedures External Diskette Drive Check External CD-ROM Drive Check Keyboard or Auxiliary Input Device Check Memory Check Power System Check Check the Power Adapter Check the Battery Pack Touchpad Check Power-On Self-Test (POST) Error Message Chapter 4 71 Index of Error Messages Error Code List 72 Chapter 4 Chapter 4 73 74 Chapter 4 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Indicator-Related Symptoms Power-Related Symptoms Chapter 4 75 PCMCIA-Related Symptoms Memory-Related Symptoms Speaker-Related Symptoms Power Management-Related Symptoms 76 Chapter 4 Peripheral-Related Symptoms Keyboard/Touchpad-Related Symptoms Modem-Related Symptoms Power Management-Related Symptoms Page Undetermined Problems Chapter 4 79 Index of AFlash BIOS Error Me ssage 80 Chapter 4 Index of PQA Diagnostic Err or Code, Message Jumper and Connector Locations Chapter 5 Top V iew 82 Chapter 5 PCB 01200-S SW1 Settings Bottom View Page FRU (Field Replaceable Unit) List Chapter 6 Page Chapter 6 87 88 Chapter 6 Chapter 6 89 90 Chapter 6 Chapter 6 91 92 Chapter 6 Page 94 Chapter 6 Chapter 6 95 96 Chapter 6 Model Definition and Configuration Appendix A Appendix A 97 Model Number Definitions Page Page 100 Appendix B Microsoft Windows 2000 Env ironment Test Appendix B 101 102 Appendix B Microsoft Windows XP Env ironment Test Appendix B 103 Page Online Support Information Appendix C Page A Index B C D H I J K L R S T U V