MicroSD card for the OCG-D H5

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  • November 21, 2012 at 2:54 pm #2856
    Tudor Patroi
    Participant

    Hi,

    the developer board for the H4, H5 gateways comes with an SD card socket.

    1 – for a micro-SD card is it OK if we leave the Detect and Protect signals floating, or we need to do something about them?

    2 – What is the upper limit for the card capacity? I found one that I like available now in 512MB to 8GB sizes.

    Thanks,

    Tudor

    November 26, 2012 at 8:17 pm #4391
    Bryan Tran
    Moderator

    Hi Tudor,

    We did not have a lot of luck trying to use the SD card without the detect pin. For one thing they could not swap cards without the detect pin unless the made the SD card driver a module and unloaded/loaded it every time they need to change the card. Also in the kernel they would need to either not define the protect and detect pins or set them to the pullup level.

    We have tested up to 8 GB sized cards successfully.

    Regards,

    BT

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