IBM 2179, 6643 About this manual, Important safety information

About this manual

Important safety information . . . . . . . . iii Online support . . . . . . . . . . . . iv

This manual contains service and reference information for the IBM Personal

Computer, Types 2179 and 6643.

This manual is divided into product service sections, by type, and a related service section as follows:

vThe product service sections include procedures for isolating problems to a FRU, a Symptom-to-FRU Index, additional service information, and an illustrated parts catalog.

vThe related service section includes safety notices and safety information, and problem determination tips.

Attention:

This manual is intended for trained servicers who are familiar with IBM Personal Computer products. Use this manual along with advanced diagnostic tests to troubleshoot problems effectively.

Before servicing an IBM product, be sure to review the “Safety notices (multi-lingual translations)” on page 77 and “Safety information” on page 102.

Important safety information

Be sure to read all caution and danger statements in this book before performing any of the instructions.

Leia todas as instruções de cuidado e perigo antes de executar qualquer operação.

© Copyright IBM Corp. 2004 iii