Number of Beeps |
Description |
Troubleshooting |
| 1 |
Memory refresh timer error |
Reseat the memory, or replace memory modules |
| 2 |
Parity error |
| 3 |
Main memory read/write test error |
| 4 |
System board timer is not operational |
Fatal error indicating a serious problem with the system.
Remove add-in cards from the system. If the beep code still occurs, the motherboard is probably faulty. If the beep code does not occur, an add-in card is producing the error.
Verify processors are not the problem by removing extra processors, if possible. |
| 5 |
Processor Error |
| 6 |
Keyboard controller BAT test error |
| 7 |
General exception error |
| 8 |
Display memory error |
Remove add-in video card, if installed. Otherwise, motherboard may be faulty. |
| 9 |
ROM checksum error |
Fatal error indicating a serious problem with the system.
Remove add-in cards from the system. If the beep code still occurs, the motherboard is probably faulty. If the beep code does not occur, an add-in card is producing the error. |
| 10 |
CMOS shutdown register read/write error |
| 11 |
Cache memory bad |