Fast write support for vga controller

Details Fast write support for vga controller Fast write support for vga controller

1992-03-16

1994-05-31

Shaw, Dale M.

Boots, shoes, and leggings

395800, 395550, 3642382, G06F 1300

Patent

active

053176944

ABSTRACT:
VGA controller interface circuitry that allows the VGA controller to reduce the cycle time of a write to the controller below the default write cycle time, resulting in a significant improvement of the controller's performance. The controller interface circuitry uses a Zero Wait State control signal on the system bus to reduce the cycle time by overriding the default cycle time for a memory write, unless the /Ready signal is asserted by the controller.

REFERENCES:
patent: 4885703 (1989-12-01), Deering
patent: 4972368 (1990-11-01), O'Brien et al.
patent: 4992956 (1991-02-01), Kaku et al.
patent: 5150456 (1992-09-01), Wu et al.
patent: 5179713 (1993-01-01), Catlin et al.

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