Artifact Details

Title

TOPS-20 v4 and FORTRAN-20 magnetic tapes

Catalog Number

102773684

Type

Software

Date

1981-1989

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) FORTRAN-20 v5A, BB-4157D-BM, 1600 BPI, July 13, 1981 (T20-0087);
2) FORTRAN-20 v6.0, BB-4157E-BM, 1600 BPI, Jan. 14, 1982 (T20-0071);
3) TOPS-20 v4 2020 distribution tape, BB-D868D-BM, April 20, 1983;
4) TOPS-20 v4 2020 installation tape, BB-D867D-BM, April 20, 1983;
5) TOPS-20 v4.1 2020 distribution tape, BB-D868E-BM, May 14, 1983;
6) TOPS-20 v4.1 #19 executive source MOD, BB-FT68J-SM, 1988;
7) TOPS-20 KS UPD #5, BB-R775E-BM, 1986;
8) TOPS-20 v4.1 #22 executive source MOD, BB-FT68M-SM, 1989;
9) TOPS-20 v4.1 #20 monitor source MOD, BB-Y3930-SM, 1988;
10) TOPS-20 v4.1 #20 executive source MOD, BB-FT68K-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