Beep symptoms – IBM 6648 User Manual
Page 84
Beep symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following examples.
Beeps
Description
1-2-X
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Any number of breaks
4
Four continuous beeps
Use the following table to diagnose beep symptoms.
Beep Symptom
FRU/Action
1-1-3
CMOS read-write error
1.
Run Setup
2.
System Board
1-1-4
ROM BIOS check error
1.
System Board
1-2-X
DMA error
1.
System Board
1-3-X
1.
Memory Module
2.
System Board
1-4-4
1.
Keyboard
2.
System Board
1-4-X
Error detected in first 64 KB of RAM
1.
Memory Module
2.
System Board
2-1-1
, 2-1-2
1.
Run Setup
2.
System Board
2-1-X
First 64 KB of RAM failed
1.
Memory Module
2.
System Board
2-2-2
1.
Video Adapter (if installed)
2.
System Board
2-2-X
First 64 KB of RAM failed
1.
Memory Module
2.
System Board
2-3-X
1.
Memory Module
2.
System Board
70
Hardware Maintenance Manual: IBM NetVista Computer Types 6058, 6059, 6269, 6568, 6569, 6578, 6579, 6648,
6649