ASROCK DN2800MT User's Guide download pdf (Page 50)

Intel Desktop Board DN2800MT Product Guide

Table 17. BIOS Speaker Beep Codes

Type Pattern Frequency/Comments

Video error

On-off (1.0 second each) two times, then a

2.5-second pause (off), the entire pattern

repeats (beeps and pause) once and the

BIOS will continue to boot.

932 Hz

Memory error

On-off (1.0 second each) three times, then

a 2.5-second pause (off), the 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

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.

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ASROCK DN2800MT User's Guide Page 50