Boots – shoes – and leggings
Patent
1989-07-21
1992-09-15
Chan, Eddie P.
Boots, shoes, and leggings
364DIG1, 3642408, 3642401, 36424292, 364246, G06F 1336, G06F 1214
Patent
active
051485451
ABSTRACT:
A bus device of a first type uses a first arbitration protocol. The first-type device is designed for use in a computer system having a communications bus, and one or more other bus devices connected to the bus, including possible first-type bus devices which also use the first arbitration protocol and one or more second-type bus devices which use a second, different, arbitration protocol. The first-type bus device includes a protocol specific memory for storing information; means for monitoring the bus to determine whether the current bus master of the bus arbitrated in the manner of the first or second arbitration protocols; and means for denying the current bus master the ability to access information stored in the protocol specific memory if the means for monitoring determines the bus master arbitrated according to the second arbitration protocol.
REFERENCES:
patent: 3993981 (1976-11-01), Cassarino, Jr. et al.
patent: 4136400 (1979-01-01), Carwell et al.
patent: 4371925 (1983-02-01), Carberry et al.
patent: 4706190 (1987-11-01), Bomba et al.
patent: 5001624 (1991-03-01), Hoffman et al.
Baker Lauren D.
Herbst William C.
Stevens Gary W.
Chan Eddie P.
Clearpoint Research Corporation
Porter Edward W.
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