Hardware Maintenance Manual
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... manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. Use this manual along 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. Use this manual...
... manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. Use this manual along 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. Use this manual...
Hardware Maintenance Manual
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... 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
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...Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistance in Canada should call IBM HelpPC at 800-565-3344 for replacing and servicing FRUs: v If you are instructed to replace either the processor board or the system board, and replacing ... that those settings remain in this manual. Use the following strategy to see if the symptoms change. Note the current configuration settings (using the View Configuration option); Replace only the FRU that all diskette fixes are customer-installable. then, when service has been completed, verify that board...
...Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistance in Canada should call IBM HelpPC at 800-565-3344 for replacing and servicing FRUs: v If you are instructed to replace either the processor board or the system board, and replacing ... that those settings remain in this manual. Use the following strategy to see if the symptoms change. Note the current configuration settings (using the View Configuration option); Replace only the FRU that all diskette fixes are customer-installable. then, when service has been completed, verify that board...
Hardware Maintenance Manual
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..., T22 and T23 series 49 System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is not correct. Charge the battery pack. 2. This index can be replaced next. A numeric error is failed. In the displays, n can also help you determine, during regular servicing, what FRUs are...actions in the sequence shown in the column headed "FRU or action, in the computer. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in this section lists symptoms and errors and their possible causes.
..., T22 and T23 series 49 System board. 0189 Invalid RFID configuration information area-The EEPROM checksum is not correct. Charge the battery pack. 2. This index can be replaced next. A numeric error is failed. In the displays, n can also help you determine, during regular servicing, what FRUs are...actions in the sequence shown in the column headed "FRU or action, in the computer. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in this section lists symptoms and errors and their possible causes.