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    • 7. 发明授权
    • Method for power management of central processor unit
    • 中央处理器单元电源管理方法
    • US07475263B2
    • 2009-01-06
    • US11404810
    • 2006-04-17
    • Jui-Ming WeiCheng-Wei HuangYao-Chun SuRuei-Ling Lin
    • Jui-Ming WeiCheng-Wei HuangYao-Chun SuRuei-Ling Lin
    • G06F1/26
    • G06F1/3203
    • A method for a power management of a central processor unit is disclosed. The method is applied to when the central processor unit is in a low power state without snooping and a bus master signal is sent from a peripheral device. First, a South Bridge sends a control signal to a central processor unit to drive the central processor unit to enter a low power state allowing snooping. Afterward an arbiter of the North Bridge is enabled. If the bus master signal is sent from the peripheral device to the South Bridge, an arbiter of the South Bridge is also enabled. And then the bus master signal is snooped by the central processor unit and the data is transmitted. After the bus master signal is snooped and the data has been transmitted, the arbiters are disabled and the South Bridge drives the central processor unit to return to the low power state without snooping.
    • 公开了一种用于中央处理器单元的功率管理的方法。 该方法适用于当中央处理器单元处于低功率状态而没有窥探并且从外围设备发送总线主信号时。 首先,南桥向中央处理器单元发送控制信号,以驱动中央处理器单元进入低功率状态,允许窥探。 之后,启用了北桥的仲裁者。 如果总线主机信号从外围设备发送到南桥,南桥的仲裁器也被使能。 然后由中央处理器单元窥探总线主控信号,并传输数据。 在总线主机信号被窥探并且数据已被传送之后,仲裁器被禁用,并且南桥驱动中央处理器单元返回到低功率状态而不进行窥探。
    • 9. 发明申请
    • Memory structure and memory refreshing method
    • 内存结构和内存刷新方法
    • US20060239096A1
    • 2006-10-26
    • US11408141
    • 2006-04-20
    • Hsiu-Ming ChuKuang-Jui HoRuei-Ling Lin
    • Hsiu-Ming ChuKuang-Jui HoRuei-Ling Lin
    • G11C7/00
    • G11C11/40622G11C11/406G11C2211/4067
    • The present invention relates to a memory-refreshing method applied to a computer system. The computer system includes a central processing unit (CPU), a north bridge chip in communication with the CPU and a system memory in communication with the north bridge chip. The system memory includes at least a first storage zone and a second storage zone. The first storage zone stores a specific data that remains refreshed when the CPU is in a first power-saving mode. The method comprising steps of: refreshing the first storage zone and the second storage zone respectively according to a first clock enable signal and a second clock enable signal generated by the north bridge chip when the CPU is in a normal operation mode; and remaining refreshing the first storage zone according to the first clock enable signal while suspending the second storage zone from being refreshed according to the second clock enable signal when the CPU is in the first power-saving mode
    • 本发明涉及应用于计算机系统的存储器刷新方法。 计算机系统包括中央处理单元(CPU),与CPU通信的北桥芯片和与北桥芯片通信的系统存储器。 系统存储器至少包括第一存储区和第二存储区。 当CPU处于第一省电模式时,第一存储区存储保持刷新的特定数据。 该方法包括以下步骤:当CPU处于正常操作模式时,根据第一时钟使能信号和由北桥芯片产生的第二时钟使能信号分别刷新第一存储区和第二存储区; 并且当所述CPU处于所述第一省电模式时,根据所述第一时钟使能信号,根据所述第二时钟使能信号暂停刷新所述第一存储区域,同时暂停所述第二存储区域被刷新