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    • 4. 发明申请
    • POWER MANAGEMENT APPARATUS AND METHOD
    • 电力管理装置和方法
    • WO1997024653A1
    • 1997-07-10
    • PCT/US1996020807
    • 1996-12-27
    • INTEL CORPORATIONKARDACH, James, P.CHUNG, Chih-HungZILLER, Jason
    • INTEL CORPORATION
    • G06F01/32
    • G06F1/3215G06F1/3237G06F1/3275Y02D10/128Y02D10/14
    • A computer system is provided for monitoring the activity of a bus controller (208) of a processor (204) and responsive thereto for controlling the power consumption of a target controller such as memory controller (216) coupled to the bus controller (208). The computer system includes a bus (202), a processor (204), and a bus activity monitor (212) for generating a bus activity signal indicative of activity in the bus controller (208). The target controller (memory controller (216)) controls the exchange of information between the processor (204) and a target circuit such as DRAM (218). The target controller (216) has an input (215) for receiving a sequencing signal. The computer system additionally includes a power management circuit (220) for controlling the power consumption of the target controller (216). The power management circuit (220) receives the bus activity signal and generates the sequencing signal in response to the bus activity signal.
    • 提供了一种计算机系统,用于监视处理器(204)的总线控制器(208)的活动,并响应于此控制用于控制诸如耦合到总线控制器(208)的存储器控​​制器(216)的目标控制器的功耗。 计算机系统包括总线(202),处理器(204)和总线活动监视器(212),用于产生指示总线控制器(208)中的活动的总线活动信号。 目标控制器(存储器控制器(216))控制处理器(204)和诸如DRAM(218)的目标电路之间的信息交换。 目标控制器(216)具有用于接收排序信号的输入端(215)。 计算机系统还包括用于控制目标控制器(216)的功耗的电源管理电路(220)。 功率管理电路(220)响应于总线活动信号接收总线活动信号并产生排序信号。
    • 5. 发明申请
    • POWER CONSERVATION BASED ON HARD DISK ROTATIONAL INERTIA
    • 基于硬盘旋转运算的功率保护
    • WO2014105172A1
    • 2014-07-03
    • PCT/US2013/047639
    • 2013-06-25
    • INTEL CORPORATIONKARDACH, James P.MACDONALD, KirstyGIBSON, Peter
    • KARDACH, James P.MACDONALD, KirstyGIBSON, Peter
    • G11B19/28
    • G11B19/28
    • Various embodiments are generally directed recurringly cycling the driving of a platter media of a hard drive with a motor, allowing rotation of the platter media to slow only to a threshold rotational speed to balance power conservation with delays in accessing data. A method comprises driving platter media of a hard drive to rotate at a selected normal rotational speed, retrieving data stored on the platter media when the platter media rotates at the normal rotational speed, ceasing to drive the platter media to rotate to allow the platter media to rotate under rotational inertia imparted to the platter media, monitoring a current rotational speed of the platter media, and resuming driving the platter media to rotate based on the current rotational speed falling to a lower threshold rotational speed selected to be less than the normal rotational speed. Other embodiments are described and claimed.
    • 各种实施例通常定期循环利用电动机驱动硬盘驱动器的盘片介质,允许盘片介质的旋转仅减慢到阈值旋转速度以平衡功率节省与访问数据的延迟。 一种方法包括驱动硬盘驱动器的盘式介质以选定的正常转速旋转,当盘式介质以正常转速旋转时检索存储在盘片介质上的数据,停止驱动盘式介质旋转以允许盘片介质 在旋转惯性下旋转到盘片介质上,监测盘片介质的当前旋转速度,并且基于当前旋转速度下降到低于正常旋转的较低阈值旋转速度,重新开始驱动盘片介质旋转 速度。 描述和要求保护其他实施例。