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Acer TravelMate 280 TravelMate 230/280 Service Guide - Page 39

IRQ Assignment Map, DMA Channel Assignment, Interrupt Channel, Function, DMA Channel - driver

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IRQ Assignment Map NMI IRQ0 IRQ1 IRQ6 IRQ8 IRQ9 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 IRQ16 IRQ16 IRQ17 IRQ17 IRQ17 IRQ18 IRQ19 IRQ19 IRQ21 IRQ23 Interrupt Channel Function System errors System timer Keyboard Floppy Real time clock Microsoft ACPI-Compliant System Intel (R) 82801DB/DBM SMBus Controller-24C2 Synaptics PS2 pointing device Numeric data processor 1st IDE device 2nd IDE device Intel (R) 82801DB/DBM USB Universal Host Controller-24C2 Intel (R) 845G Graphics Controller Agere Systems AC'97 Modem Crystal WDM AC'97 Driver for ICH4 O2Micro OZ6912 CardBus Controller Intel (R) 82801DB/DBM USB Universal Host Controller-24C7 Intel (R) 82801DB/DBM USB Universal Host Controller-24C4 Realtek RTL8139/810x Family Fast Ethernet NIC OHCI Compliant IEEE 1394 Host Controller Intel (R) 82801DB/DBM USB 2.0 Enhanced Host Controller-24CD NOTE: IRQ settings may be changed by OS DMA Channel Assignment DRQ0 DRQ1 DRQ2 DRQ3 DRQ4 DRQ5 DRQ6 DRQ7 DMA Channel Not used Not used Floppy Not used DMA controller Not used Not used Not used Function Chapter 1 31

Section	Page
TravelMate 230/ 280	1
Revision History	2
Copyright	3
Disclaimer	3
Convention	4
Preface	5
Table of Content	7
Ch1. System Introduction	9
Features	9
System Block Diagram	12
Board Layout	13
Top View	13
Bottom View	14
Panel	15
Front Panel	15
Left Panel	16
Right Panel	17
Rear Panel	18
Bottom Panel	19
Indicators	20
Keyboard	21
Special keys	21
Hot Keys	23
Hardware Specifications and Configurations	26
Ch2. System Utilities	41
BIOS Setup Utility	41
Multi-Boot Menu	43
Navigating the BIOS Utility	43
System Information	44
Main System Settings	46
Advanced Information	48
Primary Master	50
Secondary Master	51
I/O Device Configuration	52
PCI IRQ Routing	53
System Security	54
Boot Options	58
Exit Setup	59
BIOS Flash Utility	61
Executing Flash Program	61
System Utility Diskette	62
System Diagnostic Diskette	63
Running PQA Diagnostics Program	64
Ch3. Machine Disassembly and Replacement	67
General Information	68
Before You Begin	68
Disassembly Procedure Flowchart	69
Removing the Battery	72
Removing the Hard Disk Drive Module	73
Disassembling the Hard Disk Drive Module	73
Removing the Memory Module	75
Removing the Modem Board	76
Disassembling the LCD	78
Removing the Middle Cover	78
Removing the Launch Board	78
Removing the Keyboard	79
Removing the CD-ROM Drive Module	79
Removing the Heat Plate	80
Removing the LCD Module	81
Removing the LCD Bezel	83
Removing the Inverter Board (14.1” LCD)	84
Removing the Inverter Board (15” LCD)	85
Removing the 14.1” TFT LCD	86
Removing the 15” TFT LCD	86
Removing the 14.1” TFT LCD Brackets	87
Removing the LCD Coaxial Cable	88
Disassembling the Main Unit	89
Removing the RTC Battery	89
Removing the Touch Pad Frame	89
Removing the Fan Module	89
Removing the CPU Heat Sink	90
Removing the Processor	90
Installing the Processor	91
Removing the Upper Case	91
Removing the Touch Pad Board	93
Removing the Touch Pad Button	93
Removing the Touch Pad Scroll Key	93
Removing the Touch Pad Cable	94
Removing the Floppy Disk Drive Module	94
Removing the Audio Board	95
Removing the Speakers	96
Removing the Charger Plate	96
Removing the Main Board	97
Removing the PCMCIA Slot	98
Removing the I/O Port Bracket	99
System Upgrade Procedure	101
Base Unit to Wireless Unit	101
Ch4. Troubleshooting	103
System Check Procedures	104
External Diskette Drive Check	104
External CD-ROM Drive Check	104
Keyboard or Auxiliary Input Device Check	105
Memory Check	105
Power System Check	105
Touchpad Check	107
Power-On Self-Test (POST) Error Message	108
Index of Error Messages	109
Index of Symptom-to-FRU Error Message	112
Intermittent Problems	115
Undetermined Problems	116
Index of Phlash16 Error Message	117
Index of PQA Diagnostic Error Code, Message	119
Ch5. Jumper and Connector Locations	121
Top View	121
Bottom View	123
Ch6. FRU (Field Replaceable Unit) List	125
TravelMate 230 Exploded Diagram	126
TravelMate 280 Exploded Diagram	136
Appendix A. Model Definition and Configuration	147
Model Name Definition	147
Appendix B. Test Compatible Components	149
Microsoft Windows XP Environment Test	150
Microsoft Windows 2000 Environment Test	154
Microsoft Windows 98 Environment Test	158
Appendix C. Online Support Information	163

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