Error Messages And Beep Codes; Speaker; Bios Beep Codes; Bios Error Messages - Intel D865PCK Specification

4 Error Messages and Beep Codes

What This Chapter Contains
4.1

Speaker ....................................................................................................................... 71

4.2

BIOS Beep Codes........................................................................................................ 71

4.3

BIOS Error Messages .................................................................................................. 71

4.4 Port 80h POST Codes ................................................................................................. 72
4.1 Speaker
The board-mounted speaker provides audible error code (beep code) information during POST.
For information about
The location of the onboard speaker
4.2 BIOS Beep Codes
Whenever a recoverable error occurs during POST, the BIOS displays an error message describing
the problem (see Table 40).
Table 40.

Beep Codes

Type
Memory error
Thermal warning

4.3 BIOS Error Messages

Table 41 lists the error messages and provides a brief description of each.
Table 41. BIOS Error Messages
Error Message
CMOS Battery Low
CMOS Checksum Bad
Memory Size Decreased
No Boot Device Available
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.
Refer to
Figure 1, page 11
Frequency
1280 Hz
High tone: 2000 Hz
Low tone: 1600 Hz
71