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4
Board Status and Error Messages
4.1
BIOS Beep Codes
The BIOS uses audible beep codes to signal status messages and error messages
indicating recoverable errors that occur during the POST. The beep codes are listed in
Table 32. These beep codes can be heard through a speaker attached to the board's
line out audio jack (see Figure 5, B on page 26).
Table 32. BIOS Beep Codes
Type
BIOS update in progress
(Note)
Video error
Memory error
Thermal trip warning
Note: Disabled per default BIOS setup option.
Pattern
None
On-off (1.0 second each) two times, then
2.5-second pause (off), entire pattern repeats
(beeps and pause) once and the BIOS will
continue to boot.
On-off (1.0 second each) three times, then
2.5-second pause (off), entire pattern repeats
(beeps and pause) until the system is powered
off.
Alternate high and low beeps (1.0 second each)
for eight beeps, followed by system shut down.
Frequency
932 Hz
When no VGA option ROM is
found.
932 Hz
High beep 2000 Hz
Low beep 1500 Hz
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