Peer power control

Details Peer power control Peer power control

2006-10-24

2006-10-24

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C714S010000, C714S011000, C714S023000

Reexamination Certificate

active

07127621

ABSTRACT:
According to one aspect of the invention, a power control architecture is provided wherein each one of a pair of devices controls the provision of power to the other device of the pair. In one embodiment of the invention, at least one power supply is coupled to each one of the pair of devices. The invention includes methods and apparatus that enable each device to reset the other device by signaling the power supplies to cycle power to that device. In addition, the invention includes methods and apparatus to preclude each device from erroneously cycling the power of the other device. With such an arrangement, processor reset functionality may be provided in a high availability system without the inclusion of one or more supervisory processors in the design, thereby reducing the overall cost and complexity of the supervisory functionality.

REFERENCES:
patent: 4128771 (1978-12-01), Domenico
patent: 4455601 (1984-06-01), Griscom et al.
patent: 5721932 (1998-02-01), Itoh et al.
patent: 5761084 (1998-06-01), Edwards
patent: 6351823 (2002-02-01), Mayer et al.
patent: 6477139 (2002-11-01), Anderson et al.

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