Table of Contents
Advertisement
Intel Desktop Board D945GCLF2 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 32).
NOTE
For Intel Desktop Board D945GCLF2, 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 23 for information on the back panel audio connectors.
Table 32. 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 33 lists the error messages and provides a
brief description of each.
Table 33. 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
Advertisement
Table of Contents
