Preface; Who Should Use This Guide; How This Book Is Organized - IBM B01 Service Manual

Preface
Who Should Use This Guide
This guide is for service representatives who perform problem isolation and repair
actions on the System 390 Integrated Server. The service representative should
have a good understanding of the OS/2 operating system.
How This Book Is Organized
© Copyright IBM Corp. 1999
This book contains the following chapters:
• Start
This is a list of problem symptoms and the chapter or section to reference to
resolve the problem.
• System Bring-Up Sequence
Contains a flowchart of the sequence of events during power up, and details
steps to follow if an abnormal condition occurs.
• Processor Unit
This includes a list of diagnostic procedures and a list of error codes and
messages that can result from running the diagnostics.
• PCI/ISA BUS
Describes the PCI/ISA Local Bus, and has descriptions of each PCI
interfci.l~e
adapter.
• 10SP
Describes the 10SP, the data flow, diagrams, and a description of the BIOS
operation.
• SSA Dasd
Contains service information for the SSA adapter and attached storage devices.
• Power
Includes a layout and description of the MSA, MDA, OCA, and IBF. A power
map is included as a starting point for analyzing a system power failure.
• Service Procedures
Explains the use of P/390 I/O Traces, P/390 Snap Shot Dumps, FixPack and
Patch application.
• OS/2 Utilities
Describes all the OS/2 Utilities applicable to the System 390 Integrated Server.
• Parts Catalog Lists each part and order number for the System 390 Integrated
Server.
• Overview
Gives a 3D detailed picture of the System 390 Integrated Server and describes
each element.
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