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4  Error Messages and Beep Codes 
4.1  Speaker 
The board-mounted piezoelectric speaker provides audible error code (beep code) 
information during POST. 
 
For information about   Refer to 
The location of the onboard speaker  Figure 1, page 11 
4.2  BIOS Beep Codes 
Whenever a recoverable error occurs during POST, the BIOS causes the board’s 
piezoelectric speaker to beep an error message describing the problem (see Table 39).   
Table 39.  BIOS Beep Codes 
Type   Pattern  Frequency/Comments 
F2 Setup/F10 Boot Menu 
Prompt 
One 0.5 second beep when BIOS is ready to 
accept keyboard input 
932 Hz 
BIOS update in progress  None   
Video error (no add-in 
graphics card installed) 
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 
For processors requiring an 
add-in graphics card 
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