Instruction Manual
Document History Edition Part Number Operating System Version Date
First Edition 82679 A00 GUARDIAN A20 MS-DOS 2.11 Nov 1984
82679 A01 Dec 1984
Second Edition 066374 GUARDIAN A20 MS-DOS 2.11 July 1991
Note The second edition of this manual was reformatted in July 1991; no changes were made to
the manual’s content at that time.
New editions incorporate any updates issued since the previous edition.
Copyright All rights reserved. No part of this document may be reproduced in any form, including
photocopying or translation to another language, without the prior written consent of Tandem
Computers Incorporated. Copyright 1991 Tandem Computers Incorporated.