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Post Error Beep Codes
Beeps | Error | Cause | Recommended Action |
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ROM Checksum Error | — | Change system board | |
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DRAM Refresh Test Error | — | Change memory DIMM's | |
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Keyboard Controller Test Error | — | Change system board | |
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Memory Not Detected | No memory. | Verify DIMM installation. | |
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| Can not write to memory | Change memory DIMM's |
| Memory Capacity Check Error | No memory. | Verify DIMM installation. |
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| Can not write to memory | Change memory DIMM's |
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DRAM Address Test Error | Memory address signal failure | Change DIMM or M/B | |
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DRAM Test low byte Error | Memory data signal failure (low) | Change DIMM or M/B | |
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DRAM Test high byte Error | Memory data signal failure (high) | Change DIMM or M/B | |
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All Memory Group Errors | — | — | |
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BIOS ROM | Error with Shadow RAM | Change system board | |
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Unexpected Interrupt Test Error | Unexpected interrupt | Change CPU or system | |
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All Memory Group Errors | Memory address signal failure | Change DIMM or M/B | |
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Memory Not Detected | — | — | |
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Option ROM Initialization Error | Failure to initialize Option ROM | Change system board or | |
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| BIOS | option board |
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Video configuration fails | Failure to initialize VGA BIOS | Change option video board | |
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| or system board |
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OPTION ROM Checksum Error | Failure to initialize Option BIOS | Change M/B or option board | |
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