Hardware Maintenance Manual
Page 3
... intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and safety information required in servicing computers. v The product-specific section includes service, reference, and product-specific parts information. Use this manual This manual contains service and reference...
... intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and safety information required in servicing computers. v The product-specific section includes service, reference, and product-specific parts information. Use this manual This manual contains service and reference...
Hardware Maintenance Manual
Page 5
Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual... 25 Service web site 25 Product recovery program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications ... 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual... 25 Service web site 25 Product recovery program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications ... 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
Hardware Maintenance Manual
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...-3344 for replacing FRUs Before replacing parts Make sure that those settings remain in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. Before replacing the adapter or device, remove the FRUs, one by one FRU, any diskette fixes...., reinstall the original FRU before replacing any FRUs listed in obtaining or installing any of the error. If you continue. then, when service has been completed, verify that all diskette fixes are customer-installable. Note the current configuration settings (using the View Configuration option); Customers...
...-3344 for replacing FRUs Before replacing parts Make sure that those settings remain in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. Before replacing the adapter or device, remove the FRUs, one by one FRU, any diskette fixes...., reinstall the original FRU before replacing any FRUs listed in obtaining or installing any of the error. If you continue. then, when service has been completed, verify that all diskette fixes are customer-installable. Note the current configuration settings (using the View Configuration option); Customers...
Hardware Maintenance Manual
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...FRU. In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to be any number. The EEPROM checksum... symptoms and errors and their possible causes. Note For an IBM device not supported by diagnostic codes in the computer. System board. (continued) ThinkPad A20m/p, A21m/p and A22m/p 49 If replacing a FRU does not solve... the problem, put the original part back in the ThinkPad notebook computers, see the manual for each error detected in...
...FRU. In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to be any number. The EEPROM checksum... symptoms and errors and their possible causes. Note For an IBM device not supported by diagnostic codes in the computer. System board. (continued) ThinkPad A20m/p, A21m/p and A22m/p 49 If replacing a FRU does not solve... the problem, put the original part back in the ThinkPad notebook computers, see the manual for each error detected in...