87 
4  Error Messages and Beep Codes 
4.1  Speaker 
Audible error code (beep code) information during POST is routed to the audio codec 
and can be heard through attached speakers. 
 
4.2  BIOS Beep Codes 
Whenever a recoverable error occurs during POST, the BIOS causes the board’s 
speaker to beep an error message describing the problem (see Table 51).   
Table 51.  BIOS Beep Codes 
Type   Pattern  Frequency 
BIOS update in progress  None   
Video error 
(Note)
 
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. 
932 Hz 
When no VGA option ROM is 
found.  
Memory error  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. 
932 Hz 
Thermal trip warning  Alternate high and low beeps (1.0 second each) 
for eight beeps, followed by system shut down. 
High beep 2000 Hz 
Low beep 1500 Hz 
Note: Disabled per default BIOS setup option.