config bootfromexternalmedia
        option enabled  '1'
        option device   '/dev/mmc/disc0/part1'
        option name     'mmc'
        option target   '/mnt'
        option putold   '/mnt'
        option modules  'mmc ext2'
        option gpiomask '0x9c'
        option waitdev  '0'
        option filesys  'ext2'
        option mountopt 'noatime'