| Code |
Icon |
Symptom |
Possible cause or solution |
| 23 |
Diskette |
Unreadable diskette |
Reformat disk |
| 38 |
Diskette |
No startup file on diskette |
Install system |
| 39 |
Diskette |
Drive ROM can't keep up |
Wrong drive ROM (or 800K drive on 400K I/O board) |
| 40 |
CPU card |
Memory management problem |
| 41 |
CPU card |
Selection logic problem |
|
| 42 |
CPU card |
Video circuit problem |
| 43 |
CPU card |
Parity circuit problem |
| 44 |
Lisa |
Unexpected NMI interrupt |
| 45 |
Lisa |
Bus error |
| 46 |
Lisa |
Address error |
| 47 |
Lisa |
Unexpected exception |
| 48 |
Lisa |
Illegal instruction |
| 49 |
Lisa |
Line 1010 or 1111 trap |
| 50 |
I/0 board |
Keyboard VIA error |
6522A chip? |
| 51 |
I/0 board |
Parallel VIA error |
6522A chip? |
| 52 |
I/0 board |
I/0 COP421 error |
COP421 chip? |
| 53 |
I/0 board |
Keyboard COP421 error |
COP421 chip? |
| 54 |
I/0 board |
Clock error |
| 55 |
I/0 board |
Serial port A problem |
Z8530 chip? |
| 56 |
I/0 board |
Serial port B problem |
Z8530 chip? |
| 57 |
I/0 board |
Disk controller problem |
Lite Adapter? |
| 58 |
I/0 board |
I/0 board access error |
| 59 |
I/0 board |
I/0 COP421 error |
| 60 |
I/0 board |
I/0 or keyboard error |
| 70 |
Memory board |
Read/write error |
| 71 |
Memory board |
Parity error |
| 75 |
Internal HD |
System files are damaged |
Reinstall System |
| 75 |
External HD |
System files are damaged |
Reinstall System |
| 75 |
Floppy disk |
System files are damaged |
Reinstall System |
| 75 |
Expansion card |
System files are damaged |
Reinstall System |
| 80 |
Internal HD |
Drive cable is disconnected |
Check cable |
| 80 |
External HD |
Drive cable is disconnected |
Check cable |
| 81 |
Internal HD |
No response from drive |
Adjust solenoid? |
| 81 |
External HD |
No response from drive |
| 82 |
Internal HD |
Drive doesn't answer |
| 82 |
External HD |
Drive doesn't answer |
| 83 |
Internal HD |
Other drive problem |
| 83 |
External HD |
Other drive problem |
| 84 |
Internal HD |
Boot blocks are damaged |
|
| 84 |
External HD |
Boot blocks are damaged |
|
| 85 |
Internal HD |
Drive can't keep up |
| 85 |
External HD |
Drive can't keep up |
| 90 |
Expansion card |
No card in that slot |
| 91 |
Expansion card |
Can't start from that card |
| 92 |
Expansion card |
Problem with the card ROM |
| 93 |
Expansion card |
Other card problem |
|