System and method for circulating power usage information on...

Details System and method for circulating power usage information on... System and method for circulating power usage information on...

2005-03-16

2008-03-04

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S340000

Reexamination Certificate

active

07340619

ABSTRACT:
A method of regulating power for multi-node computer system components has a closed-ring path that links all the power governors and circulating in the ring is a system power number that represents the power consumption of the entire system. Meanwhile, all the governors keep counting its local power consumption. Each time the number passes a governor, the governor will add its local count onto this number, store this number for future usage, and reset its local count. When the new number returns back to the same power governor, the governor will subtract the new number with its stored number to calculate the overall system power usage within a number circulation period. The system power number overflow problem is also detected with a counter if the incoming number is smaller then the number previously stored. The counter whose counting capacity is greater than the maximum system power usage on all the nodes within a number circulation period. A single number transfer mode and multiple number transfer mode and heterogeneous multi-node components which could have different power usage configurations are employed.

REFERENCES:
patent: 6167524 (2000-12-01), Goodnow et al.
patent: 6587950 (2003-07-01), Shah et al.
patent: 6802014 (2004-10-01), Suurballe
patent: 2003/0079150 (2003-04-01), Smith et al.
patent: 2004/0030944 (2004-02-01), Barr et al.

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