Desktop Computer Hardware Maintenance Manual

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