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Fragment of a discussion from Talk:BeagleBone Black Extracting eMMC contents
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Hi, since I spent two hours figuring out how the backup of the interal emmc storage works, here is how I got it running on a recent REV C BBB from Element14:

  • The SD-card really has to be formatted with FAT16, which is only possible with SD-cards <= 4 GB
  1. * Open a command window and enter diskpart
  2. * Select the SD-card as disk with select disk (list disk shows all disk)
  3. * Enter clear (make really sure, that you selected the SD-card)
  4. * Keep diskpart open
  5. * Open the disk-management in Windows
  6. * Create a new partition with exactly 4048 MB and format it with FAT16
  7. * Go back to diskpart, enter "select partition 1" and afterwards active
  8. * Create a folder "dtds" on the SD-card

Copy am335x-boneblack.dtb into the dtds folder Insert the SD-card into the BBB and just power it up (no need to hold down the S2-button)

The USR0 LED should start blinking in a regular pattern (not the heartbeat pattern)

But now the backup solution works really fine and is perfect to clone a running configuration for the BBB onto further BBBs.

01:35, 23 July 2015

Very Important:

When using the REV C BBB from element14, the folder created should be named "dtbs". The above post has a mistake.

15:42, 2 December 2015

I got a new cards from Embest. This solution isn't works. It mean "Copy the entire content of" not allow me to flash an image.

May be exist an other way?

10:53, 5 December 2017

It's not flashing it's copying. You have to unzip that file either directly to the sdcard or to your hard drive and then copy it to the sdcard.

11:01, 5 December 2017