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    • 3. 发明申请
    • System and method for hardware error reporting and recovery
    • 用于硬件错误报告和恢复的系统和方法
    • US20060253740A1
    • 2006-11-09
    • US11121857
    • 2005-05-04
    • Andrew RitzJohn Strange
    • Andrew RitzJohn Strange
    • G06F11/00
    • G06F11/0781G06F11/0706G06F11/0769G06F11/0793
    • A system and method for hardware error reporting and recovery is presented. An operating system provides an error signal handler, a platform-independent error processing module, and a platform-specific error handler. The error signal handler is configured to detect the occurrence of a hardware error and to notify the platform-independent error processing module of the detected hardware error. The platform-independent error processing module is configured to process the hardware error detected by the error signal handler. The platform-specific error handler is configured to perform platform-specific error processing of the hardware error in cooperation with the platform-independent error processing module.
    • 介绍了一种用于硬件错误报告和恢复的系统和方法。 操作系统提供错误信号处理程序,与平台无关的错误处理模块和平台特定的错误处理程序。 错误信号处理器被配置为检测硬件错误的发生并且通知与平台无关的错误处理模块检测到的硬件错误。 与平台无关的错误处理模块被配置为处理由错误信号处理程序检测到的硬件错误。 平台特定的错误处理程序被配置为与平台无关的错误处理模块协同执行硬件错误的平台特定的错误处理。
    • 4. 发明申请
    • Systems and methods for providing power-loss protection to sleeping computers systems
    • 为休眠计算机系统提供功率损耗保护的系统和方法
    • US20060212727A1
    • 2006-09-21
    • US11083256
    • 2005-03-16
    • Nicholas JudgeJacob OshinsStephane PlanteAndrew Ritz
    • Nicholas JudgeJacob OshinsStephane PlanteAndrew Ritz
    • G06F1/30
    • G06F1/3203
    • Transitioning to a suspend to RAM sleeping state while also protecting against power losses while sleeping is provided. System state context data is saved to non-volatile storage and components in the computer system prepare to transition to a suspend to disc sleeping. A transition to the suspend to RAM sleeping state is then effected. Alternatively, after the system context is saved and the components are prepared to transition, the system may wake to a working state. The components may be directed to prepare for transitioning to a suspend to RAM sleeping state, and then the BIOS may be directed to execute the transition. In either embodiment, if power to the system is lost while the system is in the suspend to RAM system state, then the system may resume to a working state by reading the context file stored to non-volatile storage.
    • 提供了暂停到RAM休眠状态,同时也防止睡眠时的电源损耗。 系统状态上下文数据被保存到非易失性存储器中,并且计算机系统中的组件准备转换到挂起到盘睡眠。 然后进入暂停到RAM休眠状态的转换。 或者,在系统上下文被保存并且组件准备转换之后,系统可能会唤醒到工作状态。 这些组件可以被指示用于转换到暂停到RAM休眠状态,然后可以引导BIOS来执行转换。 在任一实施例中,如果在系统暂停到RAM系统状态时系统的电力丢失,则系统可以通过读取存储到非易失性存储器的上下文文件来恢复到工作状态。
    • 5. 发明申请
    • System and method for detecting DMA-generated memory corruption in a PCI express bus system
    • 用于检测PCI Express总线系统中DMA生成的内存损坏的系统和方法
    • US20050182862A1
    • 2005-08-18
    • US10777368
    • 2004-02-12
    • Andrew RitzEllsworth Walker
    • Andrew RitzEllsworth Walker
    • G06F13/28
    • G06F13/28
    • A system and method that facilitate detection of direct memory access (DMA) corruption is provided. The system can mitigate DMA memory corruption in computer system(s) employing transaction-based DMA bus system(s) (e.g., PCI Express). DMA transaction(s) cannot normally be traced; however, in accordance with an aspect of the present invention, the system is extended to include an interface to specify “allowed” and/or “disallowed” memory range(s) for a DMA transaction. If a DMA transaction occurs in a disallowed range, then it is rejected and, optionally, an error is raised. Thus, the system of the present invention can facilitate detection of direct memory access transaction(s) that can, if permitted, cause memory corruption. The system includes an access information data store (e.g., access table) and a memory controller. The access information can include, for example, a source identifier, a memory range (e.g., one or more contiguous memory address(es)) and access attribute(s) (e.g., read access, read and write access, write access, no access permitted, etc.).
    • 提供了一种便于检测直接内存访问(DMA)损坏的系统和方法。 该系统可以减轻使用基于事务的DMA总线系统(例如PCI Express)的计算机系统中的DMA存储器损坏。 通常不能跟踪DMA事务; 然而,根据本发明的一个方面,系统被扩展到包括用于指定用于DMA事务的“允许”和/或“不允许”的存储器范围的接口。 如果DMA事务发生在不允许的范围内,则它被拒绝,并且可选地,引发错误。 因此,本发明的系统可以促进对直接存储器访问事务的检测,如果允许的话,可以引起存储器损坏。 系统包括访问信息数据存储(例如,访问表)和存储器控制器。 访问信息可以包括例如源标识符,存储器范围(例如,一个或多个连续存储器地址)和访问属性(例如,读取访问,读取和写入访问,写访问,否 访问允许等)。
    • 6. 发明申请
    • Identifying a target processor idle state
    • 识别目标处理器空闲状态
    • US20070234088A1
    • 2007-10-04
    • US11397782
    • 2006-04-04
    • Allen MarshallAndrew RitzTodd Carpenter
    • Allen MarshallAndrew RitzTodd Carpenter
    • G06F1/32
    • G06F1/3228
    • Embodiments of the present invention are directed at identifying an idle state for a processor that minimizes power consumption. In accordance with one embodiment, a method for identifying a target idle state that does not require a linear progression into any intermediate states is provided. More specifically the method includes collecting data from a plurality of data sources that describes activities occurring on the computer and/or attributes of the hardware platform. Then, using the collected data, a target idle state for the processor is calculated. Finally, if the current idle state of the processor is different than the target idle state, the method causes the idle state of the processor to be changed to the target idle state.
    • 本发明的实施例涉及识别最小化功耗的处理器的空闲状态。 根据一个实施例,提供了一种用于识别不需要线性进展到任何中间状态的目标空闲状态的方法。 更具体地,该方法包括从描述在计算机上发生的活动和/或硬件平台的属性的多个数据源收集数据。 然后,使用收集的数据,计算处理器的目标空闲状态。 最后,如果处理器的当前空闲状态不同于目标空闲状态,则该方法使处理器的空闲状态改变为目标空闲状态。
    • 7. 发明申请
    • Processor specific BIOS interface for power management
    • 处理器专用BIOS接口,用于电源管理
    • US20070162776A1
    • 2007-07-12
    • US11328010
    • 2006-01-09
    • Todd CarpenterAllen MarshallAndrew Ritz
    • Todd CarpenterAllen MarshallAndrew Ritz
    • G06F1/26
    • G06F1/3203Y02D10/126
    • Processor power management capabilities that enable an operating system kernel to interact with a plurality of ACPI-compliant computing devices to manage processor power using a generic processor description is described. Specifications of power processor management capabilities of processor types are stored in data structures, i.e., objects. Each object contains a control value field and a control mask field and may also contain a status value field and a status mask field. The kernel loads a generic processor driver and objects for each processor type enabling the kernel to respond to power management events such as, but are not limited to, processor utilization and processor operating temperature events. In response to a power management event, the kernel calculates a desired processor performance state; sets bits in the control mask field to describe the desired processor performance state; and passes the control mask to the generic processor driver which controls the processor. Responses to power management events include, but are not limited to, adjusting processor voltage and/or adjusting processor frequency.
    • 描述了使得操作系统内核能够与多个符合ACPI的计算设备进行交互以使用通用处理器描述来管理处理器功率的处理器电源管理能力。 处理器类型的功率处理器管理能力的规范被存储在数据结构即对象中。 每个对象包含控制值字段和控制掩码字段,并且还可以包含状态值字段和状态掩码字段。 内核为每个处理器类型加载通用处理器驱动程序和对象,使内核能够响应电源管理事件,例如但不限于处理器利用率和处理器工作温度事件。 响应于电源管理事件,内核计算所需的处理器性能状态; 在控制掩码字段中设置位以描述所需的处理器性能状态; 并将控制掩码传递给控制处理器的通用处理器驱动器。 对电源管理事件的响应包括但不限于调整处理器电压和/或调整处理器频率。