Intel BOXDH61AG manual BIOS Error Messages, BIOS Speaker Beep Codes

Intel Desktop Board DH61AG Product Guide

Table 17. BIOS Speaker Beep Codes

Type	Pattern	Frequency/Comments
F2 Setup/F10 Boot	One 0.5 second beep when the BIOS is	932 Hz
Menu Prompt	ready to accept keyboard input
BIOS update in	None
progress
Video error (no add-	On-off (1.0 second each) two times, then a	932 Hz
in graphics card	2.5-second pause (off), the entire pattern	For processors requiring
installed)	repeats (beeps and pause) once and the	an add-in graphics card
	BIOS will continue to boot.
Memory error	On-off (1.0 second each) three times, then	932 Hz
	a 2.5-second pause (off), the entire pattern
	repeats (beeps and pause) until the system
	is powered off.
Thermal trip warning	Alternate high and low beeps (1.0 second	High beep 2000 Hz
	each) for eight beeps followed by system	Low beep 1500 Hz
	shut down.

BIOS Error Messages

The BIOS may also display an error message on the PC monitor when certain recoverable error occurs during POST. Table 18 gives an explanation of the BIOS error messages.

Table 18. BIOS Error Messages

Error Message	Explanation
CMOS Battery Low	The battery may be losing power. Replace the battery
	soon.
CMOS Checksum Bad	The CMOS checksum is incorrect. CMOS memory may
	have been corrupted. Run Setup to reset values.
Memory Size Decreased	Memory size has decreased since the last boot. If no
	memory was removed, then memory may be bad.
No Boot Device Available	System did not find a device to boot.

54