ThinkPad A2* Series Hardware Maintenance Manual (October 2001)
Page 3
... tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. About this manual along with the advanced diagnostic tests to troubleshoot problems effectively. v The product-specific section includes service, reference, and product-specific parts information. Important This manual is divided into sections as follows...
... tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. About this manual along with the advanced diagnostic tests to troubleshoot problems effectively. v The product-specific section includes service, reference, and product-specific parts information. Important This manual is divided into sections as follows...
Hardware Maintenance Manual for ThinkPad A21e (2628)
Page 45
... nondefective FRU. The EEPROM checksum is not correct. System board. The access to "Intermittent problems" on page 46. System board. (continued) ThinkPad A21e 41 Note For an IBM device not supported by diagnostic codes in sequence." Note: Do the FRU replacement or other actions in the sequence shown... in the column headed "FRU or action, in the ThinkPad notebook computers, see the manual for each error detected in POST or system operation. The EEPROM checksum is displayed for that device. A numeric error is not...
... nondefective FRU. The EEPROM checksum is not correct. System board. The access to "Intermittent problems" on page 46. System board. (continued) ThinkPad A21e 41 Note For an IBM device not supported by diagnostic codes in sequence." Note: Do the FRU replacement or other actions in the sequence shown... in the column headed "FRU or action, in the ThinkPad notebook computers, see the manual for each error detected in POST or system operation. The EEPROM checksum is displayed for that device. A numeric error is not...