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BIOS Error Messages
When a recoverable error occurs during the POST, the BIOS displays an
error message describing the problem.
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 No response from diskette drive.
CMOS Battery Low The battery may be losing power. Replace the bat-
tery 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 val-
ues.
CMOS Settings
Wrong
CMOS values are not the same as the last boot.
These values have either been corrupted or the bat-
tery 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.
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