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Intel Desktop Board DX79TO Product Guide
70
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 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.