Tryg, hope you have resolved your problems. If not, the way to burn a OS to the eMMC is discussed on the Inovato Forum. Look for the topic Doing a Factory Restore. I recall reading something about being careful about how large a file is used, as the eMMC has limited space.
The basic idea is, burn a uSD with the image you desire, unplug the monitor from the Quadra, insert the uSD into the slot and power up the Quadra. It will automatically transfer the image on the card to the internal uMMC. this is what I have deduced after multiple times at reading the Forums discussions. If you power up with the monitor connected, and a card in the slot, the Quadra starts up using the image on the card.
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VY 73.
Wes WB7BR
Wes WB7BR