| Symptom / Error | FRU / 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
Wrong Keyboard attached ? |
1. Check for Unsupported Keyboard |
| 0003 07XX |
1. Keyboard
2. Keyboard Cable |
| 0003 20XX |
1. System Board |
| |
| 0004 01XX 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 |
