Acer Mini Dock Technical Information PDF herunterladen (Seite 85)

Chapter 4 77

Intermittent Problems

Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a

hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement

should be considered only when a recurring problem exists.

When analyzing an intermittent problem, do the following:

Run the advanced diagnostic test for the system board in loop mode at least 10 times.

If no error is detected, do not replace any FRU.

If any error is detected, replace the FRU. Rerun the test to verify that there are no more errors.

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 117 118

TravelMate 740 1
Revision History 2
Copyright 3
Disclaimer 3
Conventions 4
Table of Contents 7
System Specifications 9
Expansion 10
Keyboard and Pointing Device 10
I/O Ports 10
System Block Diagram 11
Board Layout 12
Chapter 1 5 13
Outlook View 14
Left Panel 15
Right Panel 16
Rear Panel 17
Bottom Panel 18
Indicators 19
Lock Keys 20
Embedded Numeric Keypad 21
Windows Keys 22
Hot Keys 23
Touchpad 24
Chapter 1 17 25
Processor 25
Second Level Cache 25
System Memory 25
Chapter 1 19 27
Hard Disk Drive Interface 27
DVD-ROM Interface 27
Floppy Disk Drive Interface 27
24 Chapter 1 32
Power Management 32
AC Adapter 32
Chapter 1 25 33
Environmental Requirements 33
Mechanical Specification 33
Memory Address Map 33
I/O Address Map 33
26 Chapter 1 34
IRQ Assignment Map 34
Chapter 1 27 35
DMA Channel Assignment 35
28 Chapter 1 36
System Utilities 37
Chapter 2 31 39
Setup Password 44
Power-on Password 44
HDD Password 44
Load Default Settings 45
BIOS Flash Utility 46
System Utility Diskette 46
System Diagnostic Diskette 46
ONE TEST 47
MULTI TEST 47
FULL TEST 47
QUICK TEST 47
Chapter 3 49
General Information 50
Chapter 3 43 51
44 Chapter 3 52
Screw List 52
Removing the Battery Pack 53
48 Chapter 3 56
Chapter 3 49 57
Disassembling the Main Unit 59
Removing the LCD Module 60
Removing the TouchPad Module 60
Removing the CPU 61
Removing the RTC 62
Removing the Fan 63
Removing the System Board 64
Removing the Audio Jack Cover 65
Removing the PCMCIA Socket 65
58 Chapter 3 66
Disassembling the LCD Module 67
Removing the Inverter Board 68
Removing the LCD Bracket 69
Removing the LED Board 69
Removing the Microphone 70
Chapter 3 63 71
64 Chapter 3 72
Troubleshooting 73
System Check Procedures 74
Memory Check 75
Power System Check 75
Check the Power Adapter 76
Touchpad Check 77
Index of Error Messages 79
72 Chapter 4 80
Error Message List 80
Chapter 4 73 81
74 Chapter 4 82
LCD-Related Symptoms 82
Indicator-Related Symptoms 82
Power-Related Symptoms 82
Chapter 4 75 83
PCMCIA-Related Symptoms 83
Memory-Related Symptoms 83
Speaker-Related Symptoms 83
Intermittent Problems 85
Undetermined Problems 86
Chapter 4 79 87
80 Chapter 4 88
Top View 89
Chapter 5 89
SW1 Settings 90
Bottom View 91
84 Chapter 5 92
Chapter 6 93
Exploded Diagram 94
Chapter 6 87 95
88 Chapter 6 96
Chapter 6 89 97
90 Chapter 6 98
Chapter 6 91 99
92 Chapter 6 100
Chapter 6 93 101
94 Chapter 6 102
Chapter 6 95 103
96 Chapter 6 104
Appendix A 105
98 Appendix A 106
Test Compatible Components 107
100 Appendix B 108
Appendix B 101 109
102 Appendix B 110
Appendix B 103 111
104 Appendix B 112
Online Support Information 113
106 Appendix C 114
110 Index 118

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