ND-500: Difference between revisions
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===ND-505=== | ===ND-505=== | ||
A 31-bit version of the ND-500 machine. Pin 27 was snipped on the backplane, removing its status as a superminicomputer, allowing it to legally pass through the CoCom embargo. Cocom (''Coordinating Committee for Multilateral Export Controls'') was an embargo on Western exports to East Bloc countries during the Cold War. | A 31-bit version of the ND-500 machine. Pin 27 was snipped on the backplane, removing its status as a superminicomputer, allowing it to legally pass through the CoCom embargo. Cocom (''Coordinating Committee for Multilateral Export Controls'') was an embargo on Western exports to East Bloc countries during the Cold War.{{Citation needed}} | ||
===Samson=== | ===Samson=== | ||
Revision as of 19:16, 16 November 2008
The ND-500 is a 32-bit superminicomputer delivered in 1981 by Norsk Data. It relied on a ND-100 to do housekeeping tasks and run the operating system, SINTRAN III.
A configuration could feature up to four ND-500 CPUs, in a shared-memory configuration.
Hardware implementations
The ND-500 architecture lived through four distinct implementations. Each implementation was sold under a variety of different model numbers.
ND also sold multiprocessor configurations, naming them ND-580/n and an ND-590n, where n represented the number of CPUs in a given configuration, 2, 3, or 4.
ND-500/1
Sold as the ND-500, ND-520, ND-540, and ND-560.
ND-500/2
Sold as the ND-570, ND-570/CX, and the ND-570/ACX.
ND-505
A 31-bit version of the ND-500 machine. Pin 27 was snipped on the backplane, removing its status as a superminicomputer, allowing it to legally pass through the CoCom embargo. Cocom (Coordinating Committee for Multilateral Export Controls) was an embargo on Western exports to East Bloc countries during the Cold War.[citation needed]
Samson
Sold as the ND-5200, ND-5400, ND-5500, ND-5700, and ND-5800. The ND-120 CPU line, which constituted the ND-100 side of most ND-5000 computers, was named Delilah. As the 5000 line progressed in speed, the dual-arch ND-100/500 configuration increasingly became bottlenecked by all I/O having to go through the ND-100.
Rallar
Sold as the ND-5830 and ND-5850. The Rallar processor consisted of two main VLSI gate arrays, KUSK and GAMP - meaning "Jockey" and "Horse", respectively.
Sources
- This article was originally a copy of the English Wikipedia article ND-500 in 3 November 2008.