@pichlo Why did the eMMC image failed to flash? What was the output of flasher? Do you have repartitioned your device(s).
# flasher-3.5 -F RX-51_2009SE_10.2010.13-2.VANILLA_PR_EMMC_MR0_ARM.bin -f flasher v2.5.2 (Oct 21 2009) Image 'mmc', size 255947 kB Version RX-51_2009SE_10.2010.13-2.VANILLA USB device found found at bus 001, device address 009. Raw data transfer EP found at EP2. Using flashing protocol Mk II. Raw data transfer timed out. 255947 kB] #