Digital Computer Controls, Inc.
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| Industry | Minicomputers |
|---|---|
| Founded | 1970 |
| Fate | Purchased by Data General in 1977 |
| Headquarters | , U.S. |
Key people | John Ackley |
Digital Computer Controls, Inc. was an American computer company, based in Fairfield, New Jersey, known for lower priced clones of Digital Equipment Corporation and Data General minicomputers in the 1970s. DCC was the subject of multiple lawsuits relating to their efforts, including the case Data General Corp. v. Digital Computer Controls, Inc.[1]
Products
| Model | Compatibility | Release Date | Memory Type | Cycle Time | Chassis Slots | Notes |
|---|---|---|---|---|---|---|
| D-112 | DEC PDP-8 | 1970 | Core | 1200 ns[2] | ||
| D-112H | DEC PDP-8 | 1972 | Core | 900 ns | ||
| D-112H/SC | DEC PDP-8 | 1972 | RAM | 200 ns | ||
| D-116S | DG Nova 1200 | 1972 | Core[3] | 1200 ns[3] | 4, 7, 10, or 17[3] | CPU and memory on separate boards |
| D-116H | DG Nova | Core[3] | 960 ns[3] | 4, 7, 10, or 17[3] | CPU and memory on separate boards | |
| DEC PDP-11 | 1200 ns[4] | DEC lawsuit prevented release | ||||
| D-216 | DG Nova | 1975 | RAM[3] | 1600 ns[3] | 4, 7, 10, or 17[3] | CPU and memory on single board |
| D-316 | DG Nova | 1975 | RAM[3] | 1600 ns[3] | 4, 7, 10, or 17[3] | CPU and memory on single board |
| D-416 | DG Nova | 1975 | Core[3] | 1600 ns[3] | 4, 7, 10, or 17[3] | CPU and memory on single board |
| D-616 | DG Nova | 1975 | Core or RAM[3] | 660 ns[3] | 4, 7, 10, or 16[3] | CPU and memory on separate boards |
| MOD 5/S | DG Nova | 1975 | Core[3] | 1200 ns[3] | 4, 7, 10, or 17[3] | D-116 replacement |
| MOD 5/H | DG Nova | 1975 | Core[3] | 1000 ns[3] | 4, 7, 10, or 17[3] | D-116 replacement |
| MOD 5 | DG Nova | 1975 | RAM[3] | 800 ns[3] | 4, 7, 10, or 17[3] | D-116 replacement |
Usage
The Entrex 480 utilized the D-116, and was also the basis of the Nixdorf 620. Nixdorf Computer utilized around 1,000 D-116's in their 620 and 8870/1 computer series.[5]
References
- ^ Chapple, Mike (2020). Access Control, Authentication, and Public Key Infrastructure. Jones & Bartlett Learning. p. 26. ISBN 9781284198355.
- ^ D-112 MSI 12-bit computer (PDF). Digital Computer Controls Inc.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa AUERBACH Buyer's Guide to... Minicomputers (PDF). Auerbach Computer Technology Reports. 1977. pp. 119–131.
- ^ D-216 16-bit MSI computer (PDF). Digital Computer Controls Inc.
- ^ "Ein Urteil - und alles bleibt offen". Computerwoche. December 5, 1975.