Patent
1990-04-02
1994-04-19
Harkcom, Gary V.
G06F 1562
Patent
active
053054369
ABSTRACT:
A system and method for interfacing a video subsystem capable of driving a video display monitor to a personal computer (PC) architecture. The system and method involves connecting the video subsystem to a host bus via a host bus video interface. The host bus communicates directly to a central processing unit (CPU) and to a slower system bus through buffers. The central processing unit as well as a system bus master connected to the system bus can communicate at high speeds to the video subsystem. The host bus video interface includes a fast temporary storage buffer so that the CPU or the system bus master, during a write cycle to the video subsystem, can write data at high speed to the video subsystem. The video subsystem may further include SRAM in its video memory to increase performance.
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Harkcom Gary V.
Hewlett--Packard Company
Jankus Almis
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