Data General AViiON 4600 Series, Customer Documentation

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Preface
vi
014–002091
Chapter 3 Startingand StoppingYour Computer System
Explains how to correctly power the computer system up and down and describes
routine firmware powerup testing.
NOTE: Chapter 3 describes a first powerup sequence to the point at which you
should install your operating system software. It then provides
references to the appropriate documentation for your next step.
Chapter 4 SettingUp and Installinga SCSI Bus
Describes how to configure a Small Computer System Interface (SCSI) bus. Includes
default and recommended SCSI identification numbers, operating parameters for
individual drives, terminating rules, and cabling restrictions. Also provides
worksheets for planning a SCSI configuration, and instructions for connecting external
SCSI devices and subsystems to the computer unit.
Chapter 5 Usingthe SCM Configuration Menus
Describes menus you can use to view or change configuration parameters for devices
connected to the system board. Also describes changing the system automatic boot
path from the default DG/UX
 installation path.
Chapter 6 Expandingand MaintainingYour Computer System
Provides general procedures you should follow each time you add or replace an internal
system component, and describes how to respond to hardware problems. Explains how
to review system configuration parameters, and provides instructions and worksheets
for calculating the power requirements of proposed configurations.
Further describes how to avoid electrostatic discharge (ESD) damage while working
inside the computer unit chassis, and explains how to open and close the chassis
covers.
Chapters 7 through 12 Adding and/or Replacing ...
Each ofthese six chapters describes how to expand your system by adding a new
internal component, or maintain the system by replacing a failed Customer
Replaceable Unit (CRU). Each refers to Chapter 6 for prerequisite information that
applies to all CRUs.
Appendix A Technical Specifications
Lists detailed physical, environmental, and electrical specifications for base hardware
and optional components.
Appendix B Usingthe System Control Monitor
Explains how to reach the system firmware and use basic SCM commands to boot,
program, and debug your system.
Appendix C SolvingPowerup Problems and
Exitingthe DG/UX

Installer
Provides suggestions for resolving powerup problems such as blank screen display or
unreadable text messages. Also describes exiting routine first powerup to test your
system hardware before installing the DG/UX operating system.