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5 Error Messages and Beep Codes
What This Chapter Contains
5.1
BIOS Error Messages...............................................................................................103
5.2
Port 80h POST Codes..............................................................................................105
5.3
Bus Initialization Checkpoints ...................................................................................109
5.1
BIOS Error Messages
Table 74 lists the error messages and provides a brief description of each.
Table 74.
BIOS Error Messages
Error Message
GA20 Error
Pri Master HDD Error
Pri Slave HDD Error
Sec Master HDD Error
Sec Slave HDD Error
Pri Master Drive – ATAPI Incompatible Pri
Slave Drive – ATAPI Incompatible Sec
Master Drive – ATAPI Incompatible Sec
Slave Drive – ATAPI Incompatible
A: Drive Error
Cache Memory Error
CMOS Battery Low
CMOS Display Type Wrong
CMOS Checksum Bad
CMOS Settings Wrong
CMOS Date/Time Not Set
DMA Error
FDC Failure
HDC Failure
Update Failed
Explanation
An error occurred with Gate-A20 when switching to protected
mode during the memory test.
Could not read sector from corresponding drive.
Corresponding drive is not an ATAPI device. Run Setup to
make sure device is selected correctly.
No response from diskette drive.
An error occurred while testing L2 cache. Cache memory may
be bad.
The battery may be losing power. Replace the battery soon.
The display type is different than what has been stored in
CMOS. Check Setup to make sure type is correct.
The CMOS checksum is incorrect. CMOS memory may have
been corrupted. Run Setup to reset values.
CMOS values are not the same as the last boot. These values
have either been corrupted or the battery has failed.
The time and/or date values stored in CMOS are invalid. Run
Setup to set correct values.
Error during read/write test of DMA controller.
Error while trying to access diskette drive controller.
Error while trying to access hard disk controller.
NVRAM was invalid but was unable to be updated.
continued
103
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