IBM 6339 Hardware Maintenance Manual

92 IBM : Hardware Maintenance Manual
3-4-1
Screen retrace test detected an error
1. Video Adapter (if installed)
2. System Board
3. Display
3-4-2
POST is searching for video ROM
1. Video Adapter (if installed)
2. System Board
4 1. Video Adapter (if installed)
2. System Board
All other beep code sequences 1. System Board
One long and one short beep during POST.
Base 640 KB memory error or shadow RAM
error
1. Memory Module
2. System Board
One long beep and two or three short beeps
during POST.
(Video error)
1. Video Adapter (if installed)
2. System Board
Three short beeps during POST 1. System Board Memory
2. System Board
Continuous beep 1. System Board
Repeating short beeps 1. Keyboard stuck key?
2. Keyboard Cable
3. System Board
Beep Symptom FRU/Action

IBM 6339 Specifications

General

Brand	IBM
Model	6339
Category	Desktop
Language	English