Beep Symptoms - IBM A40I TYPE 2271 Hardware Maintenance Manual

Beep symptoms

Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following examples.
Use the following table to diagnose beep symptoms.
Beeps
1-2-X
4
Beep Symptom
1-1-3
CMOS read-write error
1-1-4
ROM BIOS check error
1-2-X
DMA error
1-3-X
1-4-4
1-4-X
Error detected in first 64 KB of RAM
2-1-1, 2-1-2
2-1-X
First 64 KB of RAM failed
2-2-2
2-2-X
First 64 KB of RAM failed
2-3-X
2-4-X
3-1-X
DMA register failed
3-2-4
Keyboard controller failed
Description
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Any number of breaks
Four continuous beeps
FRU/Action
1. Run Setup
2. System Board
1. System Board
1. System Board
1. Memory Module
2. System Board
1. Keyboard
2. System Board
1. Memory Module
2. System Board
1. Run Setup
2. System Board
1. Memory Module
2. System Board
1. Video Adapter (if installed)
2. System Board
1. Memory Module
2. System Board
1. Memory Module
2. System Board
1. Run Setup
2. Memory Module
3. System Board
1. System Board
1. System Board
2. Keyboard
Chapter 6. Symptom-to-FRU Index
57