DP35DP datasheet(65/84 Pages) INTEL

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Error Messages and Beep Codes

What This Chapter Contains

4.1 Speaker ......................................................................................... 65

4.2 BIOS Beep Codes ............................................................................ 65

4.3 BIOS Error Messages ....................................................................... 65

4.4 Port 80h POST Codes ....................................................................... 66

4.1

Speaker

The board-mounted speaker provides audible error code (beep code) information

during POST.

For information about

Refer to

The location of the onboard speaker

Figure 1, page 12

4.2

BIOS Beep Codes

Whenever a recoverable error occurs during POST, the BIOS displays an error

message describing the problem (see Table 34).

Table 34. Beep Codes

Type

Pattern

Frequency

Memory error

Three long beeps

1280 Hz

Thermal warning

Four alternating beeps:

High tone, low tone, high tone, low tone

High tone: 2000 Hz

Low tone: 1600 Hz

4.3

BIOS Error Messages

Table 35 lists the error messages and provides a brief description of each.

Table 35. 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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