Intel DZ77SL-50K User Manual

73
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 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
speaker to beep an error message describing the problem (see Table 42).
Table 42.
BIOS Beep Codes
Type Pattern Frequency
F2 Setup/F10 Boot Menu
prompt
One 0.5 second beep when BIOS is ready to
accept keyboard input
932 Hz
BIOS recovery progress
update
Rising and falling tones with on 0.5 seconds
followed by off 0.25 seconds and repeat with
next tone then 1 second off after highest tone
then repeat sequence with falling tones.
139 Hz, 165 Hz, 196 Hz,
262 Hz, 262 Hz, 196 Hz,
165 Hz, 139 Hz
BIOS recovery
succeeded
Play 3 times for 0.5 seconds on then off for 0.25
seconds
139 Hz
BIOS recovery failure On 1.0 second then off for 0.5 seconds will
repeat until system shutdown
110 Hz
Video error 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

Intel DZ77SL-50K Specifications

General

Brand	Intel
Model	DZ77SL-50K
Category	Motherboard
Language	English