THROTTLING DEVICE POWER
First Claim
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1. A method for throttling device power demand during critical power events, comprising:
- detecting a critical power event; and
issuing a signal to system devices to defer optional transactions during the critical power event.
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Abstract
An apparatus and system for throttling I/O devices in a computer system is provided. In an example, a method for throttling device power demand during critical power events. The method includes detecting a critical power event and issuing a signal to system devices to defer optional transactions during the critical power event.
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Citations
28 Claims
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1. A method for throttling device power demand during critical power events, comprising:
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detecting a critical power event; and issuing a signal to system devices to defer optional transactions during the critical power event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for controlling power usage, comprising:
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a power-fault detection system; a plurality of peripheral devices; and a control system, wherein the control system is configured to receive a signal from the power-fault detection system indicating a power fault and send a signal to the plurality of peripheral devices to defer optional transactions. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A system that throttles back power usage in peripheral devices in a computer system, comprising:
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a system management engine comprising; a power detection system; and an opportunistic buffer flush and fill (OBFF) controller; a signal line coupling the OBFF controller to a peripheral device; a communications bus coupling the OBFF controller to a second peripheral device; and a module comprising code configured to direct the system management engine to detect a power fault and issue an OBFF command to a coupled peripheral device. - View Dependent Claims (20, 21, 22)
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23. A non-transitory, computer readable medium comprising code configured to control a node manager to throttle device power demand during critical power events, comprising:
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code configured to detecting a critical power event; and code to direct the node manager to issue a signal to system devices to defer optional transactions during the critical power event. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification