POWER SHARING BY MULTIPLE EXPANSION CARDS
    4.
    发明公开

    公开(公告)号:US20230367368A1

    公开(公告)日:2023-11-16

    申请号:US17744197

    申请日:2022-05-13

    CPC classification number: G06F1/1632 G06F1/3206

    Abstract: A first printed circuit board (PCB) comprises a first hardware interface, compatible with an interface standard, to couple the first PCB to a first socket of a second PCB, which further comprises a second socket, and first and second busses respectively coupled to the first and second sockets. The first PCB comprises a second hardware interface to communicate a first signal, to indicate a total current drawn by multiple PCBs, and a second signal each with a third PCB while the third PCB is coupled to the second PCB at the second socket. The first PCB comprises circuitry to impose a limit on power consumption by the first PCB, circuitry to generate, with the third PCB, the first signal, and circuitry to generate a second signal, which is to provide, for each of the multiple PCBs, an indication of whether respective circuitry of the PCB is to be throttled.

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