hallo @WanJiXianSheng, responding to this image, for the SUB position where the SD card is installed, there are 3 cables, what is their function? Please share here the guide for flashing to Armbian thx..

Success! Thank you so much @Harleyyyu! It now boots perfectly off the eMCP. If anyone wants it I can write a small guide on how to do this, just to make this easier and faster for folks in the future.

@Harleyyyu great , let's follow for project and keep us updated , please

moved