NORD-1 Serial 20: Difference between revisions
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* 48K words (96KB) core memory. | * 48K words (96KB) core memory. | ||
* 1-18 backwiring for B, C and D card drawers. | * 1-18 backwiring for B, C and D card drawers. | ||
* No paging support (C drawer | * No paging support (C drawer slots 26-29 is equipped with 158 cards, not 188 cards). | ||
== Core memory == | == Core memory == | ||
Revision as of 10:00, 9 August 2020
Nord-1 serial number 20 was installed at the University of Bergen in 1970. It was bought by the physics institute to help with bubble chamber data analysis. It guided an automatic plate-scanner used for studies in lowenergy nuclear physics, and 5 Gagamelle measurement tables.
Computer configuration
Nord-1 serial number 20 was built 28 november 1969 using the 1-18 backwiring configuration. It was equiped with 48K words core memory.
- 48K words (96KB) core memory.
- 1-18 backwiring for B, C and D card drawers.
- No paging support (C drawer slots 26-29 is equipped with 158 cards, not 188 cards).
Core memory
An Ampex model 1883 64K x 18 coincident current ferrite core memory. 6 modules of 8 are installed, giving a total of 48K words of memory.