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Intel Desktop Board DX58SO2 Product Guide
74
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.
T
able 17. BIOS Error Messages
Error Message Explanation
PROCESSOR_THERMAL_TRIP_ERROR Processor was previously shutdown due to a thermal
event (overheating).
CMOS_BATTERY_ERROR The firmware has detected that a CMOS battery failure
occurred.
CMOS_CHECKSUM_ERROR The firmware has detected that a CMOS Checksum Error
occurred.
CMOS_TIMER_ERROR The firmware has detected that the system date/time
has not been set.
MEMORY_SIZE_DECREASE_ERROR The firmware has detected that the system memory has
decreased.
INTRUDER_DETECTION_ERROR The system chassis was opened.
SPD_TOLER_ERROR SERIAL PRESENCE DETECT (SPD) device data missing or
inconclusive. Properly programmed SPD device data is
required for reliable operation.
MEM_OPTIMAL_ERROR 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.