Address management system

Details Address management system Address management system

1977-06-17

1979-07-31

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 300, G06F 500, G06F 920, G06F 1300

Patent

active

041632800

ABSTRACT:
An address management system includes a central processing unit (CPU) and an address management unit arranged between a direct memory device (DMA) and a main memory unit to control memory access from the CPU and DMA. Segment registers for address expansion are provided in the CPU and DMA, respectively. The address management unit includes a conversion table for converting logical address data and segment data and segment data from the CPU and DMA into a corresponding physical address data, and the conversion table includes a bit position for detecting an address error and a control bit for selecting a memory access to a local memory or a shared memory.

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patent: 3893084 (1975-07-01), Kotok et al.
patent: 3909798 (1975-09-01), Wallach et al.
patent: 3976976 (1976-08-01), Khosharian
patent: 3976977 (1976-08-01), Porter et al.
patent: 3990051 (1976-11-01), Shelly
patent: 4056848 (1977-11-01), Gilley
patent: 4067059 (1978-01-01), Derchak

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