Chapter 3. Diagnostics; Diagnostic Tools Overview; Post - IBM xSeries 200 Hardware Maintenance Manual

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Table of Contents

Chapter 3. Diagnostics

This section provides basic troubleshooting information to

help you resolve some common problems that might occur

with the server.

If you cannot locate and correct the problem using the

information in this section, refer to Chapter 7,

"Symptom-to-FRU index," on page 99 for more information.

Diagnostic tools overview

The following tools are available to help you identify and

resolve hardware-related problems:

v POST beep codes

The power-on self-test (POST) generates beep codes

and messages to indicate successful test completion or

the detection of a problem. See "POST" for more

information.

v Diagnostic programs and error messages

The server diagnostic programs are provided on the IBM

Enhanced Diagnostics CD. These programs test the

major components of the server. See "Diagnostic

programs and error messages" on page 13 for more

information.

POST

When you turn on the server, it performs a series of tests

to check the operation of server components and some of

the options installed in the server. This series of tests is

called the power-on self-test or POST.

If POST finishes without detecting any problems, the first

window of the operating system or application program

appears.

Note:

1. If you have a power-on password or

administrator password set, you must type the

password and press Enter, when prompted,

before POST will continue.

2. A single problem might cause several error

messages. When this occurs, work to correct

the cause of the first error message. After you

correct the cause of the first error message, the

other error messages usually will not occur the

next time you run the test.

Table of Contents

Chapter 3. Diagnostics; Diagnostic Tools Overview; Post - IBM xSeries 200 Hardware Maintenance Manual