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Chapter 2. Diagnostic Overview
The system uses an integrated set of software diagnostic procedures to help isolate
failing components and system maintenance. This book, along with the RS/6000
Eserver pSeries Diagnostic Information for Multiple Bus Systems , is the basis of the
diagnostic procedures for the system. In particular, Chapter 4, "Checkpoints" on
page 123, Chapter 5, "Error Code to FRU Index" on page 153, Chapter 6, "Loading and
Using Online and Standalone Diagnostics" on page 271, and Chapter 10, "Parts
Information" on page 457, in this book are important for the trained service
representative to understand and use when isolating a failure on the system.
The manufacturer recommends that systems configured with 4 GB of memory or
greater have access to a 4-mm or 8-mm tape drive for submission of system dump
information if required. This function can be accomplished through locally-attached or
network-attached devices, as appropriate.
Maintenance Analysis Procedures (MAPs)
Maintenance Analysis Procedures (MAPs) guide the trained service representative
through the system. These MAPs are the entry point for all isolation and error recovery
procedures. The MAPs are consistent with existing procedures and methods. The
system uses a set of integrated procedures, mentioned earlier, to which the MAPs are
the primary entry point.
The MAPS are as follows:
v Entry MAP
v Quick Entry MAP
v Problem Determination MAP
v Power MAP
v Minimum Configuration MAP
The Entry Map is the starting point for problem determination. The purpose of this MAP
is to quickly point to the appropriate MAP or service reference information either in this
book, or in the common book set, which includes the RS/6000 Eserver pSeries
Diagnostic Information for Multiple Bus Systems and PCI Adapter Placement
Reference .
The Quick Entry MAP is a subset of the Entry MAP and helps to save time for some
types of problems.
The Problem Determination MAP provides a structured analysis method to get an error
code if one is not provided by the customer, or if diagnostics cannot be loaded.
The Power MAP deals with isolation of components to diagnose a power problem.
Power problems can be related to powering on and powering off the system, or power
failures that occur after power is turned on.
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