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    • 2. 发明授权
    • Method and system for managing peripheral connection wakeup in a processing system supporting multiple virtual machines
    • 在支持多个虚拟机的处理系统中管理外围连接唤醒的方法和系统
    • US07992023B2
    • 2011-08-02
    • US11962068
    • 2007-12-20
    • Gary Dean AndersonHoa Cong NguyenThoi Nguyen
    • Gary Dean AndersonHoa Cong NguyenThoi Nguyen
    • G06F13/14
    • G06F1/3209
    • A method and system for managing peripheral connection wakeup signaling in a processing system supporting multiple virtual machines provides a mechanism by which ownership of a peripheral having system wakeup capability is transferred between virtual machines. The power management event signal is connected to a service processor input that in turn signals a hypervisor to direct the wakeup activity to a particular logical partition in which the virtual machine was last executing. The hypervisor can then determine whether or not to wake up the entire system, or portions thereof and can direct the power management event to the appropriate virtual machine. In particular the peripheral may be an Ethernet adapter supporting Wake-On-LAN capability. State initialization, which is typically ensured by system power cycling is provided instead by controlling power to the standby power source or in some instances by forcing an indication of a disconnect/reconnect of the wakeup signaling connection.
    • 用于在支持多个虚拟机的处理系统中管理外围连接唤醒信令的方法和系统提供了一种机制,通过该机制,具有系统唤醒能力的外围设备的所有权在虚拟机之间传送。 电源管理事件信号连接到服务处理器输入,该服务处理器输入又传送信号管理程序以将唤醒活动引导到虚拟机最后执行的特定逻辑分区。 管理程序然后可以确定是否唤醒整个系统或其部分,并且可以将电源管理事件引导到适当的虚拟机。 特别地,外设可以是支持Wake-On-LAN功能的以太网适配器。 通过系统功率循环确保的状态初始化是通过控制待机电源的电源,或者在某些情况下通过强制唤醒信令连接的断开/重新连接的指示来提供的。
    • 3. 发明授权
    • Method for estimating total power requirement in a computer system
    • 估算计算机系统总功率需求的方法
    • US07496772B1
    • 2009-02-24
    • US12041669
    • 2008-03-04
    • Thoi Nguyen
    • Thoi Nguyen
    • G06F1/00G06F1/32G06F11/30
    • G06F1/3203G06F9/4401
    • In a computer system having a power supply, processor, and additional subcomponents that are powered by the power supply, a method for estimating the total power requirements of the system under a variety of operating modes and configurations. In an exemplary embodiment, information concerning power requirements for each subcomponent under its operating modes is stored within non-volatile memory within the subcomponents. This information is accessed by the processor during the boot sequence, and if the information is not available, substitute information is provided. The compiled information is tabulated to compute the estimated total power requirement of the current hardware configuration. A display of this information, along with configuration selection rules, enables the user to select alternative operating modes and configurations and to show the resulting estimated power requirements.
    • 在具有由电源供电的电源,处理器和附加子组件的计算机系统中,一种用于在各种操作模式和配置下估计系统的总功率需求的方法。 在示例性实施例中,关于在其操作模式下的每个子组件的功率需求的信息被存储在子组件内的非易失性存储器中。 该信息在引导顺序期间由处理器访问,如果信息不可用,则提供替代信息。 编制的信息被列表以计算当前硬件配置的估计总功率需求。 该信息的显示以及配置选择规则使得用户能够选择替代的操作模式和配置并且显示所得的估计的功率需求。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR MANAGING PERIPHERAL CONNECTION WAKEUP IN A PROCESSING SYSTEM SUPPORTING MULTIPLE VIRTUAL MACHINES
    • 用于管理支持多台虚拟机的处理系统中的外围连接唤醒的方法和系统
    • US20080092137A1
    • 2008-04-17
    • US11962068
    • 2007-12-20
    • Gary AndersonHoa NguyenThoi Nguyen
    • Gary AndersonHoa NguyenThoi Nguyen
    • G06F9/455
    • G06F1/3209
    • A method and system for managing peripheral connection wakeup signaling in a processing system supporting multiple virtual machines provides a mechanism by which ownership of a peripheral having system wakeup capability is transferred between virtual machines. The power management event signal is connected to a service processor input that in turn signals a hypervisor to direct the wakeup activity to a particular logical partition in which the virtual machine was last executing. The hypervisor can then determine whether or not to wake up the entire system, or portions thereof and can direct the power management event to the appropriate virtual machine. In particular the peripheral may be an Ethernet adapter supporting Wake-On-LAN capability. State initialization, which is typically ensured by system power cycling is provided instead by controlling power to the standby power source or in some instances by forcing an indication of a disconnect/reconnect of the wakeup signaling connection.
    • 用于在支持多个虚拟机的处理系统中管理外围连接唤醒信令的方法和系统提供了一种机制,通过该机制,具有系统唤醒能力的外围设备的所有权在虚拟机之间传送。 电源管理事件信号连接到服务处理器输入,该服务处理器输入又传送信号管理程序以将唤醒活动引导到虚拟机最后执行的特定逻辑分区。 管理程序然后可以确定是否唤醒整个系统或其部分,并且可以将电源管理事件引导到适当的虚拟机。 特别地,外设可以是支持Wake-On-LAN功能的以太网适配器。 通过系统功率循环确保的状态初始化是通过控制待机电源的电源,或者在某些情况下通过强制唤醒信令连接的断开/重新连接的指示来提供的。
    • 5. 发明授权
    • Multiple fan sensing circuit and method for monitoring multiple cooling fans utilizing a single fan sense input
    • 多风扇感测电路和方法,用于利用单个风扇感测输入来监测多个冷却风扇
    • US06657325B2
    • 2003-12-02
    • US09758863
    • 2001-01-11
    • Robert Christopher DixonThoi Nguyen
    • Robert Christopher DixonThoi Nguyen
    • H02J700
    • H05K7/20836G06F1/20H05K7/20209
    • A multiple fan sensing circuit for use with a single fan sense input and method of operation thereof. The multiple fan sensing circuit includes a logic circuit, coupled to the fan sense input, that combines feedback signals from a first fan and a second fan. The first fan generates a tach signal indicative of the first fan operation and the second fan, e.g., a stuck rotor type fan, generates either an ON or OFF signal indicative of the second fan operation. In a related embodiment, the second fan generates a logic high signal in response to a failure in the second fan. In an advantageous embodiment, the logic circuit is a connector and a logic low level in the combined operational signal indicates a failed fan.
    • 一种用于单风扇感测输入的多风扇感测电路及其操作方法。 多风扇感测电路包括耦合到风扇感测输入的逻辑电路,其组合来自第一风扇和第二风扇的反馈信号。 第一风扇产生指示第一风扇操作的tach信号,并且第二风扇(例如,卡住的转子型风扇)产生指示第二风扇操作的ON或OFF信号。 在相关实施例中,第二风扇响应于第二风扇的故障而产生逻辑高电平信号。 在有利的实施例中,逻辑电路是连接器,并且组合的操作信号中的逻辑低电平指示故障风扇。