Automatic signal termination system for a computer bus

Details Automatic signal termination system for a computer bus Automatic signal termination system for a computer bus

1992-12-10

1994-05-17

Ray, Gopal C.

Pulse or digital communications

Repeaters

Testing

375 36, 307443, 364240, 3642399, 364DIG1, G06F 1300, H03H 1128, H04B 300

Patent

active

053135954

ABSTRACT:
An automatic termination system for an end terminated bus especially useful with the SCSI bus. When utilized with a computer device, for example, a storage subsystem, configuration or reconfiguration of the bus can be automatically effectuated without concerns for inappropriate signal termination of the bus. The invention comprises a circuit which determines if any additional devices have been coupled to the bus and enables an active terminator chip if none is detected. Should another device be coupled onto the bus, the active terminator chip is automatically disabled.

REFERENCES:
patent: 4575759 (1986-03-01), Griepentrog et al.
patent: 4631721 (1986-12-01), Ono et al.
patent: 4920339 (1990-04-01), Friend et al.
patent: 5029284 (1991-07-01), Feldbaumer et al.
patent: 5099137 (1992-03-01), Lattin, Jr.
patent: 5120909 (1992-06-01), Kutz et al.
patent: 5239559 (1993-08-01), Brach et al.
patent: 5239658 (1993-08-01), Yamamuro et al.
UC5601-Small Computer System Interface Active Terminator Chip Integrated Circuits Unitrode, from Component Sales, Inc.

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