How to clone Orwell to SD Card in OS X

  1. Insert your SD card make sure it is firmly inserted in your card reader.

  2. Identify your SD card partition label identify which partition is being used for the SD card.

    Note : This is the crucial step of identifying the correct partition to be used. Beware and be very careful.

    diskutil list

    /dev/disk0
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:      GUID_partition_scheme                        *160.0 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:                  Apple_HFS Macintosh HD            159.2 GB   disk0s2
       3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
    /dev/disk1
       #:                       TYPE NAME                    SIZE       IDENTIFIER
       0:     FDisk_partition_scheme                        *4.0 GB     disk1
       1:             Windows_FAT_32 boot                    58.7 MB    disk1s1
       2:                      Linux                         3.9 GB     disk1s2
    
  3. Unmount the SD Card Make sure you identify the correct destination disk, in my example it’s /dev/disk1

    diskutil unmountDisk /dev/disk1

  4. Format the SD Card Format it as FAT32

    sudo newfs_msdos -F 32 /dev/disk1

  5. Locate the image & clone to the SD card it will took about 15 minutes to be done

    time sudo dd if=~/Desktop/Orwell-4GB.dmg of=/dev/rdisk1 bs=5m