Error Codes 300 - 999

Symptom / ErrorFRU / Action
0003 01XX / 0003 02XX 1. Keyboard Cable
2. System Board
0003 03XX / 0003 04XX 1. System Board
2. Keyboard
3. Keyboard Cable
0003 05XX
Keyboard voltage error.
If no fuse in system replace system board.
1. Keyboard port Fuse
2. Keyboard Cable
3. System Board
0003 06XX
Unsupported keyboard attached
1. Check for Unsupported Keyboard
0003 07XX 1. Keyboard
2. Keyboard Cable
0003 20XX 1. System Board
0004 01XX
(90/95 - Parallel port error)
1. System Board
0004 02XX to 0004 05XX 1. System Board
0005 XXXX 1. Display Adapter (any type)
0006 01XX 1. Defective Diskette
2. Diskette Drive
3. System Board
0006 02XX
Invalid boot record
1. Defective Diskette
0006 04XX
Unsupported drive or cable. Drive must be media sense type
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
0006 05XX
Diskette drive error
1. Run Advanced Diagnostics
0006 06XX / 0006 07XX
0006 10XX / 0006 21XX
0006 22XX / 0006 23XX
0006 24XX / 0006 30XX
0006 31XX / 0006 32XX
0006 33XX / 0006 40XX
0006 41XX / 0006 42XX
0006 43XX / 0006 50XX
0006 51XX / 0006 52XX
0006 53XX / 0006 54XX
0006 56XX / 0006 57XX
0006 58XX / 0006 59XX
0006 60XX
Generally, these are media errors. Try a known good diskette. If the error appears again, replace the drive.
1. Diskette
2. Diskette Drive
3. System Board
0006 55XX 1. System Board
0006 62XX
Wrong drive type installed
Information only
0006 63XX
Wrong media type in the drive
Information only
0006 68XX 1. Diskette Drive
0006 XXXX
not listed above
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
0007 XXXX
For a 486 processor, erase COPROC.DGS from the backup Reference Diskette, then restore the system partition from the corrected backup Reference Diskette. Re-run Advanced Diagnostics.
1. Math. Coprocessor
2. 486DX33 Upgrade (70/80)
3. System Board

Content created and/or collected by:
Louis F. Ohland, Peter H. Wendt, David L. Beem, William R. Walsh, Tatsuo Sunagawa, Tomáš Slavotínek, Jim Shorney, Tim N. Clarke, Kevin Bowling, and many others.

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 24 Mar 2024 - Changelog | About | Legal & Contact