IBM 6826 Hardware Maintenance Manual page 69

POST Error Code
303
With an 8603 error
303
With no 8603 error
3XX
Not listed above
5XX
601
602
604
And able to run diagnostics
605
POST cannot unlock the diskette drive
662 Configuration Change has occured
6XX
Not listed above
762
Math coprocessor configuration error
7XX
Not listed above
FRU/Action
1. Mouse
2. Keyboard
3. Keyboard Cable
4. System Board
1. Keyboard
2. Keyboard Cable
3. System Board
1. Keyboard
2. Keyboard Cable
3. System Board
1. Video Adapter (if installed)
2. System Board
1. Diskette Drive A
2. Diskette Drive Cable
3. System Board
4. Riser card
1. Bad Diskette?
2. Verify Diskette and retry
1. Run Setup and verify diskette
configuration settings
2. Diskette Drive A/B
3. Diskette Drive Cable
4. System Board
5. Riser card
1. Diskette Drive
2. Diskette Drive Cable
3. System Board
4. Riser card
1. Diskette drive configuration error or
wrong diskette drive type; run Setup
Configuration
1. Diskette Drive
2. System Board
3. Riser card
4. External Drive Adapter
5. Diskette Drive Cable
6. Power Supply
1. Run Setup
2. Processor
3. System Board
1. Processor
2. System Board
Chapter 7. Symptom-to-FRU Index
63