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IBM
T22
Benutzerhandbuch
IBM T22 Benutzerhandbuch
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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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. 13
General safety .
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. 13
Electrical safety
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. 14
Safety inspection guide .
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. 15
Handling devices that are sensitive to electorostatic
discharge
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. 16
Grounding requirements .
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. 17
Laser compliance statement.
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. 18
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
Restoring the preloaded system
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Passwords .
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. 26
Power management .
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Checkout guide
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. 32
Testing the computer .
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. 33
Detecting system information with PC-Doctor.
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Power system checkout .
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. 35
ThinkPad T20, T21, T22 and T23 series.
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. 39
Product overview .
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. 41
Specifications .
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. 43
Status indicators .
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. 45
FRU Tests .
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. 47
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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. 52
Beep symptoms
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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 Backup battery .
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. 61
© Copyright IBM Corp. 2002
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