IBM 2256 ユーザーズマニュアル
Beep symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following examples.
(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
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
CMOS read-write error
1.
Run Setup
2.
System Board
1-1-4
ROM BIOS check error
ROM BIOS check error
1.
System Board
1-2-X
DMA error
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
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
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
First 64 KB of RAM failed
1.
Memory Module
2.
System Board
2-3-X
1.
Memory Module
2.
System Board
2-4-X
1.
Run Setup
2.
Memory Module
3.
System Board
3-1-X
DMA register failed
DMA register failed
1.
System Board
90
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