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    • 3. 发明申请
    • IMPLEMENTING IO EXPANSION CARDS
    • 执行IO扩展卡
    • WO2013089741A1
    • 2013-06-20
    • PCT/US2011/065150
    • 2011-12-15
    • INTEL CORPORATIONRANIWALA, Sundeep
    • RANIWALA, Sundeep
    • G06F13/14G06F13/38
    • G06F13/4081Y02D10/14Y02D10/151
    • Methods and systems may provide for an expansion card including one or more peripheral ports, a connection edge having a first bus interface and a second bus interface, and an input output (IO) controller coupled to the first bus interface and at least one of the one or more peripheral ports. The expansion card can also include an embedded controller coupled to the IO controller and the second bus interface, wherein the embedded controller has logic to receive a general purpose input output (GPIO) signal from the IO controller. The logic may also notify an off-card host device of the GPIO signal via the second bus interface. In one example, the IO controller is a Thunderbolt controller, the first bus is a PCI-e bus, and the second bus is an SMBus.
    • 方法和系统可以提供包括一个或多个外围端口的扩展卡,具有第一总线接口和第二总线接口的连接边缘以及耦合到第一总线接口的输入输出(IO)控制器和至少一个 一个或多个外设端口。 扩展卡还可以包括耦合到IO控制器和第二总线接口的嵌入式控制器,其中嵌入式控制器具有从IO控制器接收通用输入输出(GPIO)信号的逻辑。 该逻辑还可以经由第二总线接口通知离开卡主机设备的GPIO信号。 在一个示例中,IO控制器是Thunderbolt控制器,第一个总线是PCI-e总线,第二个总线是SMBus。