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IBM
A21e
Manual Do Equipamento
IBM A21e Manual Do Equipamento
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142
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Contents
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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. 2
Safety notices: multilingual translations .
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Safety information.
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. 13
General safety .
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. 13
Electrical safety
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. 14
Safety inspection guide .
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. 15
Handling electrostatic discharge-sensitive devices
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Grounding requirements .
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. 17
Laser compliance statement.
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. 17
General descriptions
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. 21
Read this first .
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. 21
What to do first:
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. 21
Related service information .
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. 23
Service Web site .
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. 23
Product recovery program
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. 23
Passwords .
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. 25
Power management .
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Checkout guide
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. 31
Testing the computer .
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. 31
Detecting system information with PC-Doctor.
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. 33
Power system checkout .
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. 34
ThinkPad A21e, A22e, i 1800 .
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Product overview .
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Specifications .
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. 39
Status indicators .
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. 41
FRU Tests .
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. 43
Fn key combinations .
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. 44
Symptom-to-FRU index .
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. 46
Numeric error codes .
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Error messages
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Beep symptoms
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. 50
No beep symptoms
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. 50
LCD-related symptoms .
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. 51
Intermittent problems .
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. 52
Undetermined problems .
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. 52
FRU replacement notices
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. 53
Screw notices .
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. 53
Retaining serial numbers.
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. 54
Removing and replacing a FRU.
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. 56
1010 Battery pack.
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. 57
1020 Backup battery .
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1030 Hard-disk drive .
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. 60
1040 DIMM
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. 62
1050 Mini PCI adapter
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. 63
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