Technical data

First Edition, January 1990

The information in this document is subject to change without notice and should not

be construed as a commitment by Digital Equipment Corporation. Digital Equipment

Corporation assumes no responsibility for any errors that may appear in this document.

The software described in this document is furnished under a license and may be used or

copied only in accordance with the terms of such license.

No responsibility is assumed for the use or reliability of software on equipment that is not

supplied by Digital Equipment Corporation or its afﬁliated companies.

Restricted Rights: Use, duplication, or disclosure by the U. S. Government is subject to

restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and

Computer Software clause at DFARS 252.227–7013.

Printed in U.S.A.

FCC NOTICE: The equipment described in this manual generates, uses, and may emit

radio frequency energy. The equipment has been type tested and found to comply with

the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC

Rules, which are designed to provide reasonable protection against such radio frequency

interference when operated in a commercial environment. Operation of this equipment in

a residential area may cause interference, in which case the user at his own expense may

be required to take measures to correct the interference.

The following are trademarks of Digital Equipment Corporation:

DEC DIBOL UNIBUS

DEC/CMS EduSystem VAX

DEC/MMS IAS VAXcluster

DECnet MASSBUS VMS

DECsystem–10 PDP VT

DECSYSTEM–20 PDT

DECUS RSTS

DECwriter RSX

BASIC Service DECall DECmailer

DECservice

This document was prepared and published by Educational Services Development and

Publishing, Digital Equipment Corporation.