System for minimizing the number of control signals and maximizi

Details System for minimizing the number of control signals and maximizi System for minimizing the number of control signals and maximizi

1997-03-27

2000-09-05

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

395325, 710 4, 710 9, 710 22, 710 31, 709212, G06F 1300

Patent

active

061155519

ABSTRACT:
A compound control/data channel connects an I/O bridge (IOB) and a data buffer unit (DBU) in a high performance I/O subsystem. Generally, data movements among an I/O bridge, data buffer unit, system bus and I/O bus are dominated by separate control signal groups issued from the I/O bridge. The compound control/data channel permits integration of these control signal groups onto the data channel connected between I/O bridge and data buffer unit. A data controller can control and transfer data to/from a data buffer using this unique channel, alternately, for control information and data streams.

REFERENCES:
patent: 5191653 (1993-03-01), Banks et al.
patent: 5353417 (1994-10-01), Fuoco et al.
patent: 5361060 (1994-11-01), Onozaki
patent: 5426740 (1995-06-01), Bennett
patent: 5430849 (1995-07-01), Banks
patent: 5685012 (1997-11-01), Klein
patent: 5890012 (1999-03-01), Poisner

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