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    • 3. 发明授权
    • Dual apparatus and method thereof using concurrent write function
    • 双重装置及其并用写入功能的方法
    • US07039783B2
    • 2006-05-02
    • US10270050
    • 2002-10-15
    • Gang-Mo Koo
    • Gang-Mo Koo
    • G06F13/00G06F11/20
    • G06F11/2097G06F11/2038
    • In a dual apparatus and a method thereof using a concurrent write function, a PCI bridge of an active board snoops a processor bus. When a processor carries data and a control signal to the processor bus in order to change content of a memory of the active board, the PCI bridge checks whether data synchronization is required. When the data synchronization is required, the PCI bridge buffers the data and the control signal from the processor bus, and transmits them to a standby board through a PCI bus. Accordingly, the content of the memory of the standby board is changed. While the PCI bridge performs the content change of the memory of the standby board, the processor of the active board changes content of the memory of the active board. Accordingly, a performance of the processor can be improved, and accordingly data synchronization can be performed quickly.
    • 在使用并行写入功能的双重设备及其方法中,主动板的PCI桥接器窥探处理器总线。 当处理器将数据和控制信号传送到处理器总线以便改变活动板的存储器的内容时​​,PCI桥检查是否需要数据同步。 当需要数据同步时,PCI桥缓冲来自处理器总线的数据和控制信号,并通过PCI总线将其发送到备用板。 因此,备用板的存储器的内容发生变化。 当PCI桥接器执行备用板的存储器的内容更改时,主板的处理器会更改活动板存储器的内容。 因此,能够提高处理器的性能,能够快速地进行数据同步。