Data General AViiON Series, Клиентская документация

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Chapter 1
Preparing to Install VME Options
This chapter contains information you should know before removing or installing
any hardware equipment in your AViiON

computer system.
WARNING: Unqualified personnel attempting to remove, install, or
service internal components or options in AViiON 5000, 6000,
7000, and 8000 series systems risk both personal injury and
damage to the system. Data General Corporation supports
the maintenance and expansion of these systems by qualified
Data General personnel only. Service by other than
Data General personnel may void product warranties. For
more information regarding Data General warranties, refer to
your Data General sales and field engineering contracts.
About the VMEbus
The circuits that make up the VME (Versa Modula Europa or Versa Module
European) bus on your AViiON system can connect a variety of devices in a closely
coupled hardware configuration. The bus provides data processing, data storage,
and peripheral control devices with a standard interface used throughout the
computer industry. Most VME printed circuit boards also conform to standard size
specifications; your AViiON system uses Eurocard 6U or 9U form-factor option
boards.
How to Use This Manual
The VMEbus Specification manual from Motorola Corporation and the
documentation on programming your computer’s system I/O (input and output)
provide detailed descriptions of how the VMEbus operates. This manual describes
only the minimum steps you need to perform before, during, and immediately after
the addition of VME option boards to your computer system. It probably contains
some information you do not need. For example, most readers setting up their
AViiON systems for the first time can turn directly to Chapter 4 to connect external
devices to their factory-installed VME boards. Readers adding a new VME board
need to read this chapter and the sections in Chapters 2 through 4 that apply to
their VME option.
To use this book effectively, you may need accompanying documentation. All the
procedures in this book refer you to your computer’s setting up and installing
manual(s) for model-specific information. Other documents you will need depend on
the task you want to complete and the option(s) you plan to install. For example, to
add a VME option board to the computer, you must do the following: