Hardware Maintenance Manual
Page 3
... trained service personnel who are familiar with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. About this manual along with the advanced diagnostic tests to review the safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13...
... trained service personnel who are familiar with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. About this manual along with the advanced diagnostic tests to review the safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13...
Hardware Maintenance Manual
Page 5
... 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 translations 3 Safety information 13 General safety 13 Electrical safety 14...service information 23 Service web site 23 Restoring the preloaded system 23 Passwords 26 Power management 28 Checkout guide 32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23...Backup battery 61 © Copyright IBM Corp. 2002 v
... 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 translations 3 Safety information 13 General safety 13 Electrical safety 14...service information 23 Service web site 23 Restoring the preloaded system 23 Passwords 26 Power management 28 Checkout guide 32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23...Backup battery 61 © Copyright IBM Corp. 2002 v
Hardware Maintenance Manual
Page 7
...manual. v Some computers have been customized. Replace only the FRU that all diskette fixes are installed before you are servicing may have both a processor board and a system board. Running Automatic Configuration may be the cause of them does not correct the problem, reinstall that those settings remain in effect. © Copyright IBM... Corp. 2002 1 then, when service has been completed, verify that board, and then replace the other one of the error. Before ...
...manual. v Some computers have been customized. Replace only the FRU that all diskette fixes are installed before you are servicing may have both a processor board and a system board. Running Automatic Configuration may be the cause of them does not correct the problem, reinstall that those settings remain in effect. © Copyright IBM... Corp. 2002 1 then, when service has been completed, verify that board, and then replace the other one of the error. Before ...
Hardware Maintenance Manual
Page 55
In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to EEPROM is listed first, in POST or system operation. System board. 0187 EAIA data access error-The access ... likely cause is failed. This index can be replaced next. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 If replacing a FRU does not solve the problem, put the...
In the displays, n can also help you determine, during regular servicing, what FRUs are likely to need to EEPROM is listed first, in POST or system operation. System board. 0187 EAIA data access error-The access ... likely cause is failed. This index can be replaced next. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 If replacing a FRU does not solve the problem, put the...