Beep Codes:-
| Number of Beeps | Possible Problem |
| 1 | DRAM refresh failure |
| 2 | Parity circuit failure |
| 3 | Base 64 KB or CMOS RAM failure |
| 4 | System timer |
| 5 | Processor failure |
| 6 | Keyboard controller or Gate A20 error |
| 7 | Virtual mode exception error |
| 8 | Display monitor write/read test failure |
| 9 | ROM BIOS check-sum error |
| 10 | CMOS RAM shutdown register failure |
| 1 long, 3 short | Conventional/extended memory test failure |
| 1 long, 8 short | Display test and display vertical and horizontal retrace test failure. |
You may use this table to identify your system errors even if you have no Display and have only some beeps.
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