Intelligent bus bridge for input/output subsystems in a computer

Details Intelligent bus bridge for input/output subsystems in a computer Intelligent bus bridge for input/output subsystems in a computer

1994-09-20

1996-08-20

Harvey, Jack B.

395284, 395306, 395308, G06F 1300

Patent

active

055487300

ABSTRACT:
An intelligent bus bridge contained in a single integrated circuit chip is disclosed along with computer systems and server systems that employ intelligent input/output subsystems. The intelligent bus bridge includes a local processor coupled for communication over a local component bus, a local memory controller that enables access to a local memory from the local component bus, and a component bus bridge that propagates accesses between the local component bus and a system component bus. The single integrated circuit chip enables dual-porting of the local memory controller without significant increases in input/output pins. A mode control input to the intelligent bus bridge indicates whether the intelligent bus bridge functions in a local master mode or a host master mode in a computer or server system.

REFERENCES:
patent: 4075691 (1978-02-01), Davis et al.
patent: 5249279 (1993-09-01), Schmenk et al.
patent: 5335335 (1994-08-01), Jackson
patent: 5367695 (1994-11-01), Narad et al.
patent: 5388224 (1995-02-01), Maskas
patent: 5392407 (1995-02-01), Heil et al.

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