System BIOS

Table 8-1

Boot Error Codes

Visual (power LED)

Audible (speaker)

Meaning

 

 

 

Blinks red 2 times @ 1 Hz

2 beeps

Processor thermal shut down. Check air flow, fan

 

 

operation, and CPU heat sink.

 

 

 

Blinks red 3 times @ 1 Hz

3 beeps

Processor not installed. Install or reseat CPU.

 

 

 

Blinks red 4 times @ 1 Hz

None

Power failure (power supply is overloaded). Check

 

 

storage devices, expansion cards and/or system

 

 

board (CPU power connector P3).

 

 

 

Blinks red 5 times @ 1 Hz

5 beeps

Pre-video memory error. Incompatible or

 

 

incorrectly seated DIMM.

 

 

 

Blinks red 6 times @ 1 Hz

6 beeps

Pre-video graphics error. On system with

 

 

integrated graphics, check/replace system board.

 

 

On system with graphics card, check/replace

 

 

graphics card.

 

 

 

Blinks red 7 times @ 1 Hz

7 beeps

PCA failure. Check/replace system board.

 

 

 

Blinks red 8 times @ 1 Hz

8 beeps

Invalid ROM (checksum error). Reflash ROM using

 

 

CD or replace system board.

 

 

 

Blinks red 9 times @ 1 Hz

9 beeps

System powers on but fails to boot. Check power

 

 

supply, CPU, system board.

 

 

 

Blinks red 10 times @ 1 Hz

10 beeps

Bad option card.

 

 

 

Blinks red 10 times @ 1 Hz

11 beeps

Feature previously enabled is not supported by

 

 

processor

NOTE: Audible indications occur only for the five cycles of the error indication. Visual indications occur indefinitely until power is removed or until error is corrected.

Technical Reference Guide

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