DFI C586VX User Manual page 53

POST Beep
There are two kinds of beep codes in the BIOS. One code indicates
that a video error has occured and the BIOS cannot initialize the video
screen to display any additional information. This beep code consists of
a single long beep followed by three short beeps. The other code indi-
cates that a DRAM error has occured. This beep code consists of a
single long beep.
Error Messages
One or more of the following messages may be displayed if the BIOS
detects an error during the POST. This list indicates the error messages
for all Awards BIOSes:
CMOS BATTERY HAS FAILED
The CMOS battery is no longer functional. It should be replaced.
CMOS CHECKSUM ERROR
Checksum of CMOS is incorrect. This can indicate that CMOS has be-
come corrupt. This error may have been caused by a weak battery.
Check the battery and replace if necessary.
DISPLAY SWITCH IS SET INCORRECTLY
The display switch on the motherboard can be set to either mono-
chrome or color. This indicates the switch is set to a different setting
than indicated in Setup. Determine which setting is correct, then either
turn off the system and change the jumper or enter Setup and change
the VIDEO selection.
FLOPPY DISK(S) fail (80) → Unable to reset floppy subsystem.
FLOPPY DISK(S) fail (40) → Floppy type mismatch.
Hard Disk(s) fail (80) →
Hard Disk(s) fail (40) →
Hard Disk(s) fail (20) →
HDD reset failed.
HDD controller diagnostics failed.
HDD initialization error.
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