IBM 8668 Hardware Maintenance Manual - Page 127
Run Configuration/Setup and Diagnostics
UPC - 087944723158
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Page 127 highlights
Error Code/Symptom 303 (Keyboard controller error) 602 (Invalid diskette boot record) 604 (Diskette drive error) 605 (Unlock failure) 662 (Diskette drive configuration error) 762 (Coprocessor configuration error) 962 (Parallel port error) 11XX (System board serial port 1 or 2 error) 0001200 (Machine check architecture error) 0001295 (ECC circuit check) 1301 (I2C cable to front panel not found) 1302 (I2C cable from system board to power on and reset switches not found) 1303 (I2C cable from system board to power backplane not found) FRU/Action 1. System Board 2. Keyboard 1. Diskette 2. Diskette Drive 3. Cable 4. System Board 1. Run Configuration/Setup and Diagnostics 2. Diskette Drive 3. Drive Cable 4. System Board 1. Diskette Drive 2. Drive Cable 3. System Board 1. Run Configuration/Setup and Diagnostics 2. Diskette Drive 3. Drive Cable 4. System Board 1. Run Configuration/Setup 2. Battery 3. Processor 1. Disconnect external cable on parallel port. 2. Run Configuration/Setup 3. System Board 1. Disconnect external cable on serial port. 2. Run Configuration/Setup 3. System Board 1. Processor 2. Optional Processor 3. System Planar 1. System Board 1. Cable 2. Front Panel 3. System Board 1. Cable 2. Power Switch Assembly 3. System Board 1. Cable 2. Power Backplane 3. System Board Symptom-to-FRU index 119