POST Error Messages Continued |
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Error message | Probable Cause | Recommended Action |
System BIOS Shadowed | System BIOS copied to | Status message. No action |
| Shadow RAM. | required. |
System Cache Error | RAM cache failed the BIOS | Run Setup. |
| test. |
|
System CMOS Checksum | CMOS is corrupted or | Run Setup. |
Bad | modified incorrectly. |
|
System RAM Failed at | System RAM failed. | Replace memory modules. |
Offset, nnn |
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System Timer Error | DMA, timers, etc. | Replace the system board. |
UMB Upper Limit Segment | Displays the address nnn of | Status message. No action |
Address nnn | the upper limit of Upper | required. |
| Memory Blocks, indicating |
|
| released segments of the |
|
| BIOS. |
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Video BIOS Shadowed | Video BIOS successfully | Status message. No action |
| copied to shadow RAM. | required. |
Quick Troubleshooting Guide |