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Symptom-to-FRU Index

This index supports the Netfinity 3500 - Type 8644.

Notes

1. Check the configuration before you replace a

FRU. Configuration problems can cause false

errors and symptoms.

2. For IBM devices not supported by index, refer to

the manual for that device.

3. Always start with “General Checkout” on page 4.

The Symptom-to-FRU Index lists beeps, errors, symptoms,

and the possible causes. The most likely cause is listed

first. Use this Symptom-to-FRU Index to help you decide

which FRUs to have available when servicing the

computer.

used in place of the last 2 digits can be any number or

letter.

No Beep Symptoms

No Beep/Symptom FRU/Action

No Beeps occur after

successfully completing

POST

1. Disconnected

speaker

2. Speaker

3. System Board

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 beeps

Beep/Symptom FRU/Action

1-1-2

(CPU register test failure)

1. Optional

Microprocessor

(if installed)

2. Microprocessor

1-1-3

(CMOS write/read test

failure)

1. Real-Time Clock with

Battery

2. System Board

IBM Netfinity 3500 - Type 8644 105

1 2 ... 108 109 110 111 112 113 114 115 116 117 118 ... 151 152

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