Artifact Details

Title

TOPS-20 v2 and v4 magnetic tapes

Catalog Number

102773678

Type

Software

Date

1979-1981

Publisher

Digital Equipment Corporation (DEC). Large Computer Group (LCG)

Extent

10 magnetic tape reels

Format

1/2" magnetic tape

Description

This box contains the following magnetic tape reels:
1) BLISS36 v2.1 TOPS-20 binary, BB-J939B-BM, 1600 BPI, June 29, 1981 (T20-0047);
2) TOPS-20 v4 update, BB-L665A-BM, 1600 BPI, Aug. 16, 1981 (T20-0092);
3) TOPS-20 v4 SWS kit, BB-H311B-RM, 1600 BPI, July 2, 1980 (T20-0026);
4) TOPS-20 v4 executive source, BB-D348F-SM, 1600 BPI, July 15, 1980 (T20-0028);
5) TOPS-20 v4 monitor source, BB-4170H-SM, 1600 BPI, July 23, 1980 (T20-0029);
6) TOPS-20 v4 2060 distribution tape, BB-H138B-BM, 1600 BPI, March 27, 1981 (T20-0041);
7) TOPS-20 v4 2040 distribution tape, BB-4172G-BM, 1600 BPI, Sept. 11, 1980 (T20-0031);
8) TOPS-20 v4 2020 distribution tape, BB-D868C-BM, 1600 BPI, May 16, 1981 (T20-0090);
9) TOPS-20 AN 2020 distribution tape, BB-J713A-BM, 1600 BPI, July 17, 1981 (T20-0098);
10) v6.03A bundled main monitor, AP-D543V-SB, 1600 BPI, April 20, 1979.

Category

Memory & storage/tape

Collection Title

Digital Equipment Corporation records

Series Title

Engineers' papers: Tim Litt collection: Product development

Credit

Gift of Hewlett-Packard Company

Lot Number

X2675.2004