Error Messages And Beep Codes; Speaker; Bios Beep Codes - Intel DQ77MK User Manual

4

Error Messages and Beep Codes

4.1

Speaker

The board-mounted speaker provides audible error code (beep code) information
during POST.
For information about
The location of the onboard speaker
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 47).
Table 48. BIOS Beep Codes
Type
F2 Setup/F10 Boot Menu
Prompt
BIOS update in progress
Video error
Memory error
Thermal trip warning
Pattern
One 0.5 second beep when BIOS is ready to
accept keyboard input
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.
Refer to
Figure 1, page 15
Frequency
932 Hz
932 Hz
When no VGA option ROM is
found.
932 Hz
High beep 2000 Hz
Low beep 1500 Hz
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