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sduboot_readme.md

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##cat your sd card device: sudo fdisk -l you may see this: Partition table entries are not in disk order

    Disk /dev/mmcblk0: 7969 MB, 7969177600 bytes
    221 heads, 20 sectors/track, 3521 cylinders, total 15564800 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000

            Device Boot      Start         End      Blocks   Id  System
    /dev/mmcblk0p1            8192    15564799     7778304    b  W95 FAT32

/dev/mmcblk0 is your sd device. make sure your sd format is FAT32

###downlaod uboot to your sd card: donwlaod the webee210-uboot.bin to the first block of your sd. # cd ~/webee210v2 # sudo dd iflag=dsync oflag=dsync if=webee210-uboot.bin of=/dev/mmcblk0 seek=1 # sync