Technical Product Specification

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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 13
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 37).
Table 37. 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