Artifact Details

Title

TOPS-20, ALGOL-20, DEC-20, and other magnetic tapes

Catalog Number

102773731

Type

Software

Date

1979-1987

Publisher

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

Extent

13 magnetic tape reels

Format

1/2" magnetic tape

Description

This box contains the following magnetic tape reels:
1) TOPS-20 autopatch v1 tape #1, BB-L014A-BM, 1600 BPI, Feb. 21, 1981 (T20-0040);
2) TOPS-20 v5.1 monitor source, BB-M780B-SM, March 16, 1983;
3) TOPS-20 v5.1 monitor source, BB-M780B-SM, March 17, 1983;
4) TOPS-20 v6.1 executive source #15, BB-M081M-SM, 1987;
5) TOPS-20 v6.1 tools, BB-M836C-BM, 1985;
6) TOPS-20 RP20 SWS kit, BB-L288A-RM, 1600 BPI, April 4, 1981 (T20-0042);
7) TOPS-20 RP20 ext monitor source, BB-K911B-SM, 1600 BPI, 1981 (T20-0080);
8) TOPS-20 KS update #4, BB-R775D -BM, 1985;
9) TOPS-20 KL-B update #6, BB-AE97C-BM, 1985;
10) PCS-20 v1 combined mode, BB-H068A-SM, 1600 BPI, Sept. 17, 1981 (T20-0081);
11) COGO-20 v1 combined mode, BB-H064A-SM, 1600 BPI, Nov. 25, 1981 (T20-0079);
12) ALGOL-20 v1A, AP-5471B-BM, 1600 BPI, May 13, 1981 (T20-0103);
13) DEC-20 sort/merge v4B, BB-4160E-BM, 1600 BPI, Dec. 21, 1979 (T20-0019).

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