That looks exactly like what I'm looking for. Running Coreboot would probably work with something like this so that's what I'd do if someone ever actually sold

That looks exactly like what I'm looking for. Running Coreboot would probably work with something like this so that's what I'd do if someone ever actually sold these. I assume I don't need to take it out of my laptop to use it. Hopefully I can program/flash the SD card from the system.