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IBM
A22M
User Manual
IBM A22M User Manual
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Contents
About this manual
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. iii
Introduction
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. 1
Important service information .
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Strategy for replacing FRUs .
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How to use error messages .
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Diskette compatibility matrix .
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Safety notices: multilingual translations .
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Safety information.
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. 14
General safety .
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Electrical safety
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. 15
Safety inspection guide .
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. 16
Handling electrostatic discharge-sensitive devices
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Grounding requirements .
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. 18
Laser compliance statement.
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. 18
General descriptions
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. 23
Read this first .
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. 23
What to do first
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. 23
Related service information .
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. 25
Service web site .
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. 25
Product recovery program
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. 25
Passwords .
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. 27
Power management .
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Checkout guide
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. 33
Testing the computer .
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Detecting system information with PC-Doctor.
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Power system checkout .
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. 35
ThinkPad A20m/p, A21m/p and A22m/p.
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Product overview .
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. 41
Specifications .
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. 41
Status indicators .
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. 44
FRU tests .
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. 46
Fn key combinations .
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. 48
Symptom-to-FRU index .
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. 49
Numeric error codes .
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. 49
Error messages
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Beep symptoms
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. 53
No beep symptoms
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. 53
LCD-related symptoms .
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. 54
Intermittent problems .
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. 55
Undetermined problems .
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. 55
FRU replacement notices
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. 56
Screw notices .
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. 56
Retaining serial numbers.
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. 57
Removing and replacing a FRU.
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. 59
1010 Battery pack.
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. 60
1020 DIMM
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. 61
1030 Mini PCI adapter
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. 63
© Copyright IBM Corp. 2001
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