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Service Hints & Tips

Document ID: GSMH-3F5L63

IBM PC/IBM IntelliStation - Beep/no beep symptoms

Applicable to: World-Wide

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

One beep
A pause (or break)
Two beeps
A pause (or break)
Any number of beeps

4

Four continuous beeps


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

2-4-X

1. Run Setup
2. Memory Module
3. System Board

3-1-X
DMA register failed.

1. System Board

3-2-4
Keyboard controller failed.

1. System Board
2. Keyboard

3-3-4
Screen initialization failed.

1. Video Adapter (if installed)
2. System Board
3. Display

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. See System Board Memory.
2. System Board

Continuous beep.

1. System Board

Repeating short beeps.

1. Keyboard stuck key?
2. Keyboard Cable
3. System Board


No Beep Symptoms:

Symptom/Error

FRU/Action

No beep during POST but computer works correctly.

1. System Board

No beep during POST.

1. See Undetermined Problem.
2. System Board
3. Memory Module
4. Any Adapter or Device
5. Riser Card
6. Power Cord
7. Power Supply



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Hardware Maintenance Information

Date Created

13-03-97

Last Updated

12-06-98

Revision Date

08-06-99

Brand

IBM PC, IBM IntelliStation

Product Family

PC 300GL, PC 300XL, PC 300PL, PC 330, PC 340, PC 350, PC 360, PC 365, PC 730, PC 750, M Pro, Z Pro, E Pro

Machine Type

6272, 6275, 6282, 6285, 6284, 6561, 6591, 6588, 6562, 6592, 6862, 6892, 6571, 6573, 6575, 6576, 6577, 6560, 6581, 6583, 6585, 6586, 6587, 6598, 6589, 6875, 6876, 6877, 6885, 6886, 6887, 6888, 6889, 6898, 6899, 6893

Model

Various

TypeModel

Retain Tip (if applicable)

N/A

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