Preface
This manual provides reference information about the
IBM
3803 Model 2 Tape
Control and 3420 Models 3 - 8 Tape Units.
This manual requires no prerequisite reading; however, it is assumed the reader
has a basic knowledge of stored program computers.
Second Edition (March 197 4)
This is a major revision of, and obsoletes GA32-0021-0. Changes are periodically made to the
information herein; any such changes will be reported in subsequent revisions or Technical
Newsletters.
All specifications in this manual are nominal unless otherwise indicated.
Requests for copies of IBM publications should be made to your IBM representative or to your
local IBM Branch Office.
This manual has been prepared by the IBM General Products Division, Maintainability and
Testing, Department 26T, P. 0. Box 1900, Boulder, Colorado, 80302. A form is provided at
the back of this publication for the reader's comments. If the form has been removed,
comments may be sent to the above address.
©
Copyright International Business Machines Corporation 1973, 1974