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  1. #1

    Question SD memory card format issue with mkfs.vfat

    Hi ,
    I am trying to format 4 GB sd memory using mkfs.vfat.

    I want to use the card both in linux and windows so I am formatting with Vfat filesystem.

    When I format the card from command line with "mkfs.vfat -F 32 /dev/mmcblk1" I am getting a warning message like
    "unable to get drive geometry, using default 255/63" but the data in the card is erased.

    But when I mount the card and checks for the size using df -h its showing 1 GB instead of 4 GB.

    Please help me how to format the SD memory card or any other alternate way to format the card.

    Thanks in advance.

  2. #2
    Linux User #489667

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