Preface - Digital Equipment PDP-11/23-PLUS System Manual

PREFACE
This manual provides the user with information on the operation, con-
figuration, and maintenance for the PDP-11 /23-PLUS system. It describes
both the hardware and software operating features of the system. The
configuration requirements are explained, and the factory configuration is
defined. The manual includes software diagnostic programs used to trou-
bleshoot the system and a hardware system checkout procedure.
NOTE: The dialog used by the operator when communicating with the
system is printed in orange.
Specifications for the optional terminals appear in Chapter 6. Chapter 8
presents the rules for expanding the system. All address references such
as registers, software locations, and interrupt vectors are octal numbers.
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