Troubleshooting
BIOS POST Beep Codes The Server Board SE7221BA1-E reports POST errors in two ways:
By sounding a beep code
By displaying an error message on the monitor
BIOS Beep Codes The BIOS beep codes are listed in Table 5. The BIOS also issues a beep code (one long tone
followed by two short tones) during POST if the video configuration fails (a faulty video card or no
card installed) or if an external ROM module does not properly checksum to zero.
Table 5. Beep Codes
Beep Description
1, 3 Memory error
8 Video error
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 device. Run Setup to make sure
device is selected correctly.
A: Drive Error
B: Drive Error
No response from the 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.
Intel® Entry Server Board SE7221BA1-E User Guide 33