Artifact Details

Title

TOPS-20 v2-3 and v7.0 magnetic tapes

Catalog Number

102773680

Type

Software

Date

1977-1978; 1988

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) TOPS-20 v2 installation tape, DEC-20-OT20A-D-MC9, QT010-AP, 1600 BPI, July 6, 1977;
2) TOPS-20 v3A exec SRC, AP-D348E-SM, 1600 BPI, Oct. 1, 1978 (T20-0009);
3) TOPS-20 v3A 2060 installation tape, BB-H137A-BM, 1600 BPI, Dec. 14, 1978 (T20-0017);
4) TOPS-20 v3A installation tape, AP-41721-BM, 1600 BPI, Dec. 8, 1978 (T20-0014);
5) TOPS-20 v3A system software, AP-4172F-BM, 1600 BPI, Dec. 12, 1978 (T20-0016);
6) TOPS-20 7.0 #19 executive source MOD, BB-M081Q-SM, 1988;
7) TOPS-20 7.0 #19 monitor source MOD, BB-M080Q-SM, 1988;
8) TOPS-20 7.0 #20 monitor source MOD, BB-M080R-SM, 1988;
9) TOPS-20 7.0 #20 monitor source MOD, BB-M080R-SM, 1988;
10) TOPS-20 7.0 #21 monitor source MOD, BB-M081S-SM, 1988.

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