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== Boot SATA Install firmware in eMMC ==
In order to access the eMMC and be capable of flashing it, we can make use of the UMS (U-boot Mass Storage gadget).* Plug a microUSB to USB cable from J602 USB OTG connector to your computer. Boot the board from the microSD card and abort autoboot pressing a key when U-boot is waiting before loading the kernel. Then, start UMS with the following command: <pre>ums 0 mmc 1</pre> '''under construction'Where 0 is the USB device number 0 (USB OTG, in this case), mmc is the kind of storage device to be read (mmc or sata), and 1 is the storage device number, in this case mmc1 (onboard eMMC).'' * If correctly done, U-boot should print something similar to the next line, and a mass storage device should appear in your computer. <pre>UMS: disk start sector: 0x0, count: 0xe90000</pre> * You can now backup its contents, as well as format it, make partitions, or [http://labs.isee.biz/index.php/How_to_create_a_SD-card_with_the_latest_software_image use igep-media-create to flash it with an image]; all straight from the computer.
== Boot emmc from SATA ==
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== Install firmware emmc Boot from eMMC ==
== How to use EEPROM ==
