Hardware Maintenance Manual
Page 23
Numeric error codes show the errors detected in the ThinkPad notebook computers, see the manual for that device. Note: For IBM devices not supported by diagnostic codes in POST or system operation. ThinkPad 560Z HMM 21 Note: Perform the FRU replacement or actions in the sequence shown in the "FRU/Action in the computer. Do... Symptom / Error FRU / Action in Sequence 10X 1. The most likely cause is a list containing symptoms, errors, the possible causes. This index can be replaced when servicing a computer.
Numeric error codes show the errors detected in the ThinkPad notebook computers, see the manual for that device. Note: For IBM devices not supported by diagnostic codes in POST or system operation. ThinkPad 560Z HMM 21 Note: Perform the FRU replacement or actions in the sequence shown in the "FRU/Action in the computer. Do... Symptom / Error FRU / Action in Sequence 10X 1. The most likely cause is a list containing symptoms, errors, the possible causes. This index can be replaced when servicing a computer.