Sun Microsystems SPARCstation 4, Service Manual

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Preface
This service manual describes how to troubleshoot problems and replace parts in the
SPARCstation™™ 4/SPARC®™ Xterminal 1 computer systems. Technicians,
advanced computer system end-users (with experience replacing hardware and
troubleshooting), system administrators, or qualified service providers should use
this book.
Document Organization
This book is divided into seven parts. A table, at the beginning of each part, lists the
chapters, sections, and page numbers.
■
Part 1, “System Information,” provides an overview of the standard features,
internal options, and external options.
■
Part 2, “Troubleshooting,” provides a troubleshooting overview, describes how to
run and troubleshoot errors displayed during the Power-On Self-Test (POST), and
presents symptoms and corrective actions.
■
Part 3, “Preparing for Service,” explains safety requirements, symbols used in this
book, tools required, and how to shut down, power off, and power on the system.
■
Part 4, “Subassembly Removal and Replacement,” describes how to open and
close the system, attach and remove a wrist strap, and remove and replace
subassemblies.
■
Part 5, “System Board,” provides an overview of the system board, describes how
to remove and replace the system board and replaceable parts and components on
the system board.
■
Part 6, “Illustrated Parts Breakdown,” provides illustrations of the major
replaceable parts and lists part numbers.