Hierarchical system and method for managing power usage among server data processing systems
First Claim
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1. A hierarchical power management system comprising:
- a first power management controller;
a second power management controller;
a power management command combination element;
a power management command terminator;
a power-managed data processing system element; and
a power management bus coupled between said first power management controller, said second power management controller, said power management command combination element, and said power management command terminator.
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Abstract
A hierarchical system and method for managing power usage among server data processing systems is disclosed. According to one embodiment, a hierarchical power management system is provided which comprises first and second power management controllers, a power management command combination element, a power management command terminator, a power-managed data processing system element, and a power management bus coupled between the power management controllers, power management command combination element, and power management command terminator.
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Citations
20 Claims
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1. A hierarchical power management system comprising:
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a first power management controller;
a second power management controller;
a power management command combination element;
a power management command terminator;
a power-managed data processing system element; and
a power management bus coupled between said first power management controller, said second power management controller, said power management command combination element, and said power management command terminator. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for managing power usage within a hierarchical power management system comprising a first power management controller, a second power management controller, and a power management command combination element, said method comprising:
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generating a first power management command bit signal utilizing said first power management controller, wherein said first power management controller is associated with a first power management hierarchical level;
generating a second power management command bit signal utilizing said second power management controller, wherein said second power management controller is associated with a second power management hierarchical level;
combining said first power management command bit signal and said second power management command bit signal utilizing said power management command combination element; and
performing a power management operation on a power-managed data processing system element associated with said hierarchical power management system in response to said combining. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A machine-readable medium having a plurality of instructions executable by a machine embodied therein, wherein said plurality of instructions when executed cause said machine to perform a method for managing power usage within a hierarchical power management system comprising a first power management controller, a second power management controller, and a power management command combination element, said method comprising:
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generating a first power management command bit signal utilizing said first power management controller, wherein said first power management controller is associated with a first power management hierarchical level;
generating a second power management command bit signal utilizing said second power management controller, wherein said second power management controller is associated with a second power management hierarchical level;
combining said first power management command bit signal and said second power management command bit signal utilizing said power management command combination element; and
performing a power management operation on a power-managed data processing system element associated with said hierarchical power management system in response to said combining. - View Dependent Claims (16, 17, 18, 19, 20)
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15. The machine-readable medium of claim, wherein said generating said first power management command bit signal comprises generating a server farm-level command bit signal.
Specification