IBM Token-Ring Network PC Adapter Hardware Maintenance And Service page 6

Preface
Start all maintenance activity for the IBM
Token-Ring Network PC Adapter in this manual.
This manual explains how to isolate suspected problems
with your IBM Token-Ring Network PC Adapter and
Adapter Cable.
This manual is intended for use by:
• Trained service personnel who need to isolate and
correct problems with the adapter and adapter cable.
• Users of IBM Personal Computers with IBM
Token-Ring Network PC Adapters installed in them.
These users can identify a suspected problem with the
adapter before replacing it or calling a local service
center for repairs.
This manual is divided into five chapters and two
appendixes.
Chapter 1 explains the purpose of the manual and outlines
a typical configuration using the IBM
Token~Ring
Network PC Adapter.
Chapter 2 describes the Power-On Self Test (POST) and
the Advanced Diagnostics for the adapter and cable. If
you suspect a problem with your adapter or cable, these
diagnostic programs and the Problem Isolation Charts in
Chapter 3 will help you isolate and correct the problem.
Chapter 3 provides step-by-step instructions, in the
Problem Isolation Charts (PICs), that will help you
identify a faulty adapter or cable. This chapter also lists
the Advanced Diagnostics messages and codes, their
meanings, and any required user action.
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