Rock Pi 4B v1.4 no boot on EMMC

Hi there, i recently bought a Rock Pi 4B v1.4 SBC and on paper i think it is amazing (for now at least)
Right now i have a problem. Any image i flash using etcher cant seem to boot the device, with an exeption - DietPi, that image flashes and boot normaly (whell if normally is ~1 min to start the boot after power on).
Im flashing images on EMMC module i bought with RockPi and on all the forums i havent found the answer, kind of sad actually.
Also i have an SD card which seems to be working fine, and is booting Debian and Ubuntu minimal image with no problems, but would be great to boot from EMMC.
Maybe there is some pin to pull HI or LOW? or maybe some config file to copy to image?
Copying a file would be a problem because windoes doesnt seem to see the flashed SD as an openable storage.
Anyway, would appreciate some help, thank you!

got the answer here: https://forum.radxa.com/t/rock-pi-4b-v1-4-no-boot-on-emmc/3812

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