No idea what causes this, will need to check on my device

What you are reporting is quite common with tv boxes. The case markings often are different than the internals. What is it you are looking for? Your post didn't really ask for anything other than to report that you got a common tv box with internals that differ from the case.

No, i gave up compiling on Armbian, i installed the debian bookworm server image provided by orangepi instead

I was having some pretty substantial problems with several different builds before developing this hold pattern, Werner

IIRC until like half a year ago this also worked just fine. I assume then this check was introduced upstream which caused this - more or less cosmetical - error.