BIOS ROM

8.3.4 Boot Error Codes

The BIOS provides visual and audible indications of a failed system boot by using the LEDS on the PS/2 keyboard and the system board speaker. The error conditions are listed in the following table.

Table 8-2

Boot Error Codes

Visual [1]

Audible

Meaning

 

 

 

Num Lock LED blinks

1 short, 2 long beeps

System memory not present or incompatible.

 

 

 

Scroll Lock LED blinks

2 long, 1 short beeps

Hardware failure before graphics initialization.

 

 

 

Caps Lock LED blinks

1 long, 2 short beeps

Graphics controller not present or failed to

 

 

initialize.

 

 

 

Num, Caps, Scroll Lock LEDs

1 long, 3 short beeps

ROM failure.

blink

 

 

 

 

 

Num, Caps, Scroll Lock LEDs

none

Network service mode

blink in sequence

 

 

NOTE:

[1] Provided with PS/2 keyboard only.

Technical Reference Guide

361834-002

8-5