Appendix B: POST Messages
Message | Possible Cause | Solution |
|
|
|
MONITOR TYPE | Monitor type not | Run Setup and enter |
DOES NOT MATCH | correctly identified in | correct monitor type. |
CMOS | Setup. |
|
|
|
|
OPERATING | Operating system | Check Setup to see if |
SYSTEM NOT | cannot be located on | Drive A: and C: are |
FOUND | Drive C: or Drive A: | properly configured, or |
|
| put a bootable disk in |
|
| Drive A: |
|
|
|
PARITY CHECK 1 | Parity error found in the | Check Setup. Board |
nnnn | system bus. | repair may be required. |
|
|
|
PARITY CHECK 2 | Parity error found in the | Check Setup. Board |
nnnn | I/O bus. | repair may be required. |
|
|
|
PREVIOUS BOOT | Previous POST did not | Run Setup, load default |
INCOMPLETE - | complete successfully. | BIOS settings, make any |
DEFAULT |
| necessary adjustments, |
CONFIGURATION |
| and save the changes |
USED |
|
|
|
|
|
REAL TIME CLOCK | May require battery | |
ERROR | BIOS test. | replacement or board |
|
| repair. |
|
|
|
SHADOW RAM | Shadow RAM failed. | May require repair of |
FAILED AT OFFSET |
| system board. |
|
|
|
SYSTEM BATTERY | System battery died. | Replace the system |
IS DEAD |
| battery and run Setup to |
|
| reconfigure the system. |
|
|
|
SYSTEM CACHE | External (L2) cache | System will still run, but |
ERROR - CACHE | failed BIOS test. | slower. Replace cache |
DISABLED |
| at convenience. |
|
|
|
SYSTEM CMOS | System CMOS has been | Run Setup and |
CHECKSUM BAD - | corrupted or modified | reconfigure the system. |
RUN SETUP | incorrectly. |
|
|
|
|
SYSTEM RAM | System RAM failed. | Replace defective RAM. |
FAILED AT |
|
|
OFFSET: nnnn |
|
|
|
|
|
SYSTEM TIMER | Timer test failed. | Requires repair of system |
ERROR |
| board. |
|
|
|
|
|
|
60 |
