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Asus Flashback AI1316 Schematic

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    Asus Flashback AI1316 Schematic

    Hello,
    i'm currently in the process of debugging an ASUS STRIX X570-F GAMING and experiencing no activity on the SPI_D0-line to the bios chip.
    I expect the AI1316 to be dead and want to remove it (and bridge the corresponding pins).

    Before measuring everything out - has someone a schematic of this board or any other with one of these flashback-mcus so i can just refer to the schematic?

    Kind regards

    #2
    Re: Asus Flashback AI1316 Schematic

    Just for completeness, i was able to remove AI1316 and bridge it.
    Only missing piece is SPI-Vcc switching which i wasn't able to figure out.

    See attached image for more details.

    bridged pins from left to right:
    CPU DI | SPI DO
    CPU CLK | SPI CLK
    CPU CS | SPI CS
    CPU DO | SPI DI

    2 Gates beneath TPM-Header:

    ..... HOLD CPU ....... WP CPU
    HOLD SPI ..... WP SPI
    Attached Files

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