Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 3

Contents, About this manual, Introduction, General descriptions, ThinkPad A30, A30p

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Contents About this manual 1 Introduction 3 Important service information 3 Strategy for replacing FRUs 3 How to use error messages 4 Diskette compatibility matrix 4 Safety notices: multilingual translations 4 Safety information 16 General safety 16 Electrical safety 17 Safety inspection guide 18 Handling devices that are sensitive to electorostatic discharge 19 Grounding requirements 20 Laser compliance statement 21 General descriptions 25 Read this first 25 What to do first 25 Related service information 27 Service web site 27 Restoring the preloaded system 27 Passwords 30 Power management 32 Checkout guide 36 Testing the computer 36 Detecting system information with PC-Doctor. . . 38 Power system checkout 39 ThinkPad A30, A30p, A31, A31p 43 Product overview 45 Specifications 45 Status indicators 48 FRU Tests 50 Fn key combinations 51 Symptom-to-FRU index 53 Numeric error codes 53 Error messages 56 Beep symptoms 57 LCD-related symptoms 58 Intermittent problems 59 Undetermined problems 59 FRU replacement notices 60 Screw notices 60 Retaining serial numbers 61 Removing and replacing a FRU 63 1010 Battery pack 64 1020 Mini PCI adapter 65 1030 Communication daughter card (CDC) . . . 68 © Copyright IBM Corp. 2003 iii

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Contents
About this manual
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1
Introduction
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Important service information
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Strategy for replacing FRUs
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How to use error messages
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4
Diskette compatibility matrix
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Safety notices: multilingual translations
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Safety information
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General safety
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Electrical safety
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Safety inspection guide
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18
Handling devices that are sensitive to electorostatic
discharge
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19
Grounding requirements
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20
Laser compliance statement
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General descriptions
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Read this first
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What to do first
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Related service information
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Service web site
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27
Restoring the preloaded system
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Passwords
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Power management
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Checkout guide
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36
Testing the computer
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Detecting system information with PC-Doctor.
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Power system checkout
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ThinkPad A30, A30p, A31, A31p
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Product overview
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Specifications
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Status indicators
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FRU Tests
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Fn key combinations
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Symptom-to-FRU index
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Numeric error codes
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Error messages
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Beep symptoms
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LCD-related symptoms
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Intermittent problems
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Undetermined problems
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FRU replacement notices
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Screw notices
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Retaining serial numbers
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61
Removing and replacing a FRU
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1010 Battery pack
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1020 Mini PCI adapter
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1030 Communication daughter card (CDC)
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. 68
© Copyright IBM Corp. 2003
iii