Technical data

Preface

The XR Series System Reference Guide is written for the person who needs

advanced operational information about the XR system. The manual presents a

technical discussion of all the major components of the computer system.

Motorola

and the Motorola symbol are registered trademarks of Motorola, Inc.

PowerPC™ is a trademark of IBM, and is used by Motorola with permission.

All other products mentioned in this document are trademarks or registered

trademarks of their respective holders.

Printed in the United States of America

January 1998