Service manual

xi
Preface
Intended Audience
This manual is written for the customer service engineer.
Document Structure
This manual uses a structured documentation design. Topics are organized into
small sections for efficient online and printed reference. Each topic begins with an
abastract, followed by an illustration or example, and ends with descriptive text.
This manual has seven chapters and three appendixes, as follows:
Chapter 1, System Overview, introduces the DIGITAL AlphaServer 4000/4100
pedestal and cabinet systems and gives an overview of the system bus modules.
Chapter 2, Power-Up, provides information on how to interpret the power-up
display on the operator control panel, the console screen, and system LEDs. It
also describes how hardware diagnostics execute when the system is initialized.
Chapter 3, Troubleshooting, describes troubleshooting during power-up and
booting, as well as the test command.
Chapter 4, Power System, describes the AlphaServer 4000/4100 power system.
Chapter 5, Error Logs, explains how to interpret error logs and how to use
DECevent.
Chapter 6, Error Registers, describes the error registers used to hold error
information.
Chapter 7, Removal and Replacement, describes removal and replacement
procedures for field-replaceable units (FRUs).
Appendix A, Running Utilities, explains how to run utilities such as the EISA
Configuration Utility and RAID Standalone Configuration Utility.