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Intel Desktop Board DX58SO2 Product Guide
BIOS Error Messages
When a recoverable error occurs during the POST, the BIOS displays an error message
describing the problem. Table 17 gives an explanation of the BIOS error messages.
Table 17. BIOS Error Messages
Error Message
PROCESSOR_THERMAL_TRIP_ERROR
CMOS_BATTERY_ERROR
CMOS_CHECKSUM_ERROR
CMOS_TIMER_ERROR
MEMORY_SIZE_DECREASE_ERROR
INTRUDER_DETECTION_ERROR
SPD_TOLER_ERROR
MEM_OPTIMAL_ERROR
74
Explanation
Processor was previously shutdown due to a thermal
event (overheating).
The firmware has detected that a CMOS battery failure
occurred.
The firmware has detected that a CMOS Checksum Error
occurred.
The firmware has detected that the system date/time
has not been set.
The firmware has detected that the system memory has
decreased.
The system chassis was opened.
SERIAL PRESENCE DETECT (SPD) device data missing or
inconclusive. Properly programmed SPD device data is
required for reliable operation.
The installed amount of memory in Channel A is not
equal to the amount of memory in Channel B. Maximum
memory performance is achieved with equal amounts of
memory installed in each channel.
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