Segment descriptor present bit recycle and detect logic for a me

Details Segment descriptor present bit recycle and detect logic for a me Segment descriptor present bit recycle and detect logic for a me

1986-04-07

1989-05-02

Williams, Jr., Archie E.

Boots, shoes, and leggings

G06F 1208

Patent

active

048274003

ABSTRACT:
A data processing system includes a logical address to a physical address translator in an extended memory management unit. A 128 word memory stores task segment descriptor words which include a base address. A 16 word memory stores corresponding present bits to indicate if the addressed task segment descriptor is present in its memory. This arrangement allows a 128 word memory to be cleared in 16 memory cycles.

REFERENCES:
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patent: 4394725 (1983-07-01), Bienvenu et al.
patent: 4442484 (1984-04-01), Childs, Jr. et al.
patent: 4484273 (1984-11-01), Stiffler et al.
patent: 4488256 (1984-12-01), Zolnowsky et al.
patent: 4525778 (1985-06-01), Cane

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