ND-500: Difference between revisions
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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]]. | 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. | A configuration could feature up to four ND-500 CPUs, in a shared-memory configuration. | ||
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===ND-500/1=== | ===ND-500/1=== | ||
Sold as the | Sold as the '''ND-520''', '''ND-540''', and '''ND-560'''. | ||
===ND-500/2=== | ===ND-500/2=== | ||
Sold as the '''ND- | Sold as the '''ND-510''', '''ND-530''', '''ND-550''', '''ND-560''', '''ND-570''' (and various /CX variants as newer ND-1x0 variants became available) | ||
===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, but . 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 <ref>https://en.wikipedia.org/wiki/Coordinating_Committee_for_Multilateral_Export_Controls</ref>, <ref>https://en.wikipedia.org/wiki/History_of_computer_hardware_in_Eastern_Bloc_countries</ref> | ||
The ND-505(/CX) uses a 500/2 CPU. 29 bits of addressing space is available for the user <ref>http://sintran.com/norsk-data/library/libpdpi/ND-505CX-A1-EN.pdf</ref> (exactly how this relates to the physical 31 bits is not entirely clear). | |||
=== | ===ND-5000=== | ||
The [[ND-5000_family|ND-5000]] series was the latest physical implementation of the ND-500 architecture. | |||
==Cost== | ==Cost== | ||
The price of the smallest ND-500 system in 1981 was 400.000 German mark | The price of the smallest ND-500 system in 1981 was 400.000 German mark, according to a 1981 article in Computerwoche (the source has since disappeared from the internet). | ||
==Sources== | ==Sources== | ||
<references/> | <references/> | ||
*{{ | *{{ND-doc|05.009|(ND-05.009.4)}} | ||
{{stub}} | {{stub}} | ||
[[Category:Norsk Data hardware]] | [[Category:Norsk Data hardware]] | ||
Latest revision as of 11:26, 5 November 2023
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-520, ND-540, and ND-560.
ND-500/2
Sold as the ND-510, ND-530, ND-550, ND-560, ND-570 (and various /CX variants as newer ND-1x0 variants became available)
ND-505
A 31-bit version of the ND-500 machine, but . 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 [1], [2] The ND-505(/CX) uses a 500/2 CPU. 29 bits of addressing space is available for the user [3] (exactly how this relates to the physical 31 bits is not entirely clear).
ND-5000
The ND-5000 series was the latest physical implementation of the ND-500 architecture.
Cost
The price of the smallest ND-500 system in 1981 was 400.000 German mark, according to a 1981 article in Computerwoche (the source has since disappeared from the internet).
Sources
- Norsk Data Document ND–05.009 NORD-500 REFERENCE MANUAL (ND-05.009.4)
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