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Intel Desktop Board D850GB/D850GBAL Product Guide
82
BIOS Error Messages
When a recoverable error occurs during the POST, the BIOS displays an error message describing
the problem.
Table 31. 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 device. Run Setup to make
sure device is selected correctly.
A: Drive Error
B: 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 than 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. These values
have either 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 controller.
FDC Failure Error occurred trying to access diskette drive controller.
HDC Failure Error occurred trying to access hard disk controller.
Checking NVRAM..... NVRAM 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 Is Locked The system keyboard lock is engaged. The system must be
unlocked to continue to boot.
Keyboard Error Error in the keyboard connection. Make sure keyboard is
connected properly.
KB/Interface Error Keyboard interface test failed.
continued