D201GLY datasheet(71/76 Pages) INTEL

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Error Messages

What This Chapter Contains

4.1 BIOS Front-panel Power LED Codes.................................................... 71

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

4.3 Port 80h POST Codes ....................................................................... 72

4.1

BIOS Front-panel Power LED Codes

The front-panel power LED blinks off and on to display messages. For example, the

power LED is on when the system is powered on, and blinks off for 0.5 second when

processor initialization is complete. In addition, whenever a recoverable error occurs

during POST, the BIOS causes the front-panel power LED to blink an error message

describing the problem (see Table 33).

Table 33. Front-panel Power LED Blink Codes

Type

Pattern

Processor initialization complete

On when system powers up, then off for 0.5 second.

POST complete

On when system powers up, then off for 0.5 second.

BIOS update in progress

Off when update begins, then on for 0.5 second, then off for 0.5

second; pattern repeats until BIOS update is complete.

Video error

On-off (0.5 second each) two times, then 3.0 second pause (off)

between on-off blink pattern; repeat entire pattern (two on-off

blinks and pause) until system is powered off.

Memory error

On-off (0.5 second each) three times, then 3.0 second pause (off)

between on-off blink pattern; repeat entire pattern (three on-off

blinks and 3-second pause) until system is powered off.

Thermal warning

On-off (0.5 second each) four times, then 3.0 second pause (off)

between on-off blink pattern; repeat entire pattern (four on-off

blinks and 3-second pause) until 16th on blink, then end.

4.2

BIOS Error Messages

Table 34 lists the error messages and provides a brief description of each.

Table 34. 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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