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Troubleshooting
BIOS Error Messages
When a recoverable error occurs during the POST, the BIOS displays an error message
describing the problem.
Table 6. BIOS Error Messages
Error Message Explanation
GA20 Error An error occurred with Gate A20 when switching to protected mode
during the memory test.
Pri Master HDD Error
Pri Slave HDD Error
Sec Master HDD Error
Sec Slave HDD Error
Could not read sector from corresponding drive.
Pri Master Drive - ATAPI Incompatible
Pri Slave Drive - ATAPI Incompatible
Sec Master Drive - ATAPI Incompatible
Sec Slave Drive - ATAPI Incompatible
Corresponding drive is not an ATAPI (Advanced Technology
Attachment Packet Interface) device. Run Setup to make sure
device is selected correctly.
A: Drive Error No response from diskette drive.
CMOS Battery Low The battery may be losing power. Replace the battery soon.
CMOS Display Type Wrong The display type is different from what has been stored in CMOS.
Check Setup to make sure type is correct.
CMOS Checksum Bad The CMOS checksum is incorrect. CMOS memory may have been
corrupted. Run Setup to reset values.
CMOS Settings Wrong CMOS values are not the same as the last boot. Either these
values have been corrupted or the battery has failed.
CMOS Date/Time Not Set The time and/or date values stored in CMOS are invalid. Run
Setup to set correct values.
DMA Error Error during read/write test of DMA (Direct Memory Access)
controller.
FDC Failure Error occurred trying to access diskette drive controller.
HDC Failure Error occurred trying to access hard disk controller.
Checking NVRAM..... NVRAM (Non-Volatile Random Access Memory) is being checked
to see if it is valid.
Update OK! NVRAM was invalid and has been updated.
Updated Failed NVRAM was invalid but was unable to be updated.
Keyboard Error Error in the keyboard connection. Make sure keyboard is
connected properly.
KB/Interface Error Keyboard interface test failed.
continued
Intel® Carrier Grade Server TIGI2U User Guide 97