Bios Beep Codes; Bios Error Messages; Beep Codes; Table 32. Bios Error Messages - Intel BLKD945GCLF - MB 533FSB DDR2 667 533 Aud+Vdo+Lan mATX Technical Product Specification

Intel Desktop Board D945GCLF Technical Product Specification
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 31).
NOTE
For Intel Desktop Board D945GCLF, the beep code is only audible through a speaker
connected to the green audio line out connector on the back panel. See Figure 3 on
page 24 for information on the back panel audio connectors.
Table 31. Beep Codes
Type
Memory error
Thermal warning
4.3

BIOS Error Messages

Whenever a recoverable error occurs during POST, the BIOS displays an error
message describing the problem. Table 32 lists the error messages and provides a
brief description of each.

Table 32. BIOS Error Messages

Error Message
CMOS Battery Low
CMOS Checksum Bad
Memory Size Decreased
No Boot Device Available
66
Pattern
Three long beeps
Four alternating beeps:
High tone, low tone, high tone, low tone
Explanation
The battery may be losing power. Replace the battery soon.
The CMOS checksum is incorrect. CMOS memory may have been
corrupted. Run Setup to reset values.
Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.
System did not find a device to boot.
Frequency
1280 Hz
High tone: 2000 Hz
Low tone: 1600 Hz