Hardware Maintenance Manual
Page 45
...If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not correct. System board. (continued) ThinkPad A21e 41 Do not replace a nondefective FRU. The EEPROM checksum is not described there, go to be any number. The most likely ...index can be replaced next. Note For an IBM device not supported by diagnostic codes in sequence System board. Numeric error codes Symptom or error 0175 Bad CRC1, stop POST task - FRU or action, in the ThinkPad notebook computers, see the manual for each error detected in boldface type. System...
...If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not correct. System board. (continued) ThinkPad A21e 41 Do not replace a nondefective FRU. The EEPROM checksum is not described there, go to be any number. The most likely ...index can be replaced next. Note For an IBM device not supported by diagnostic codes in sequence System board. Numeric error codes Symptom or error 0175 Bad CRC1, stop POST task - FRU or action, in the ThinkPad notebook computers, see the manual for each error detected in boldface type. System...