Method and apparatus for connecting an additional processor...

Details Method and apparatus for connecting an additional processor... Method and apparatus for connecting an additional processor...

2007-09-04

2007-09-04

Dang, Khanh (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C710S114000, C710S116000

Reexamination Certificate

active

10953162

ABSTRACT:
A method and apparatus for adding an additional agent to a set of symmetric agents in a bus-based system is disclosed. In one embodiment, the number of symmetric agents in the system is fixed. An additional agent may monitor the symmetric arbitration of the symmetric agents, and at a given stage of the symmetric arbitration assert a priority agent bus request. The priority agent bus request may be shared with another priority agent. This may permit the additional agent to access the bus in a fair manner that behaves as though it were an additional symmetric agent in the system.

REFERENCES:
patent: 5261109 (1993-11-01), Cadambi et al.
patent: 5581782 (1996-12-01), Sarangdhar et al.
patent: 5901297 (1999-05-01), Fisch et al.
patent: 5935230 (1999-08-01), Pinai et al.
patent: 6654833 (2003-11-01), LaBerge
Intel P6 Family of Processors, Arbitration Signals, section 3.2.2, Sep. 1998.
Intel Corporation, “Intel 450KX/GX PCIset”, Intel Product Specification, 180 pages, published 1996.

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