
A BIOS Error Messages
BIOS Front-panel Power LED Blink Codes
The
Table 8. BIOS 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 | |
| (off) between |
| (two |
|
|
Memory error | |
| pause (off) between |
| pattern (three |
| system is powered off |
|
|
Thermal warning | |
| pause (off) between |
| pattern (four |
| on blink, then end |
|
|
BIOS Beep Codes
The BIOS beep codes are listed in Table 9. These beep codes can be heard through a speaker attached to the board’s line out jack (see Figure 2, B on page 14.
Table 9. BIOS Beep Codes
Type | Pattern | Frequency | |
|
|
|
|
Memory error | Three long beeps | 1280 Hz |
|
|
|
|
|
Thermal warning | Four alternating beeps: | High tone: | 2000 Hz |
| High tone, low tone, high tone, low tone | Low tone: | 1600 Hz |
|
|
|
|
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