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32 GB SD card on Zedboard

henry10210

Hello, I am trying to find the maximum SD card size I can access on Zedboard.  Zynq TRM says "up to 32 GB densities" (chapter 6).  Does this mean that I can actually plug in a 32 GB card and access all that space, or are there some other gotchas?

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    Hi Henry,

    My thoughts on the limitation shown in the TRM surround the capability of the BootROM (which cannot be modified) and what was tested for Zynq silicon.  Based upon what I have read, if you can live with booting from QSPI and using the larger SD cards for your rootfs, you will likely be safe.

    I don't know if trenz-al or anyone else has tried 128GB or higher on ZedBoard, but I posted a reply to the Xilinx thread asking if someone has tried something for ZedBoard.  So far, no response.

    Regards,

    -Kevin

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    Hi Henry,

    My thoughts on the limitation shown in the TRM surround the capability of the BootROM (which cannot be modified) and what was tested for Zynq silicon.  Based upon what I have read, if you can live with booting from QSPI and using the larger SD cards for your rootfs, you will likely be safe.

    I don't know if trenz-al or anyone else has tried 128GB or higher on ZedBoard, but I posted a reply to the Xilinx thread asking if someone has tried something for ZedBoard.  So far, no response.

    Regards,

    -Kevin

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