It's not. It's nice that it supports UEFI and I hope more SBCs follow suit, but it categorically does not do anything to solve the vendor kernel problem. It just means you don't need a hardware-specific bootloader and a devicetree.

Now maybe the O6 also happens to only use hardware which works with upstream kernels, I don't know. I haven't been able to find anything definitive about that (though the fact that they link to special "Orion O6" versions of Fedora and Debian rather than their standard ARM images doesn't inspire confidence). But that's independent of UEFI.

> Now maybe the O6 also happens to only use hardware which works with upstream kernels, I don't know.

I think so because I looked in up when it was released and people were able to boot standard images ("All UEFI based ARM images with Mainline Kernel 6.6 and above" [0]). Their specific Fedora and Debian images reflect the progress in better support in the CPU, GPU, etc.

Looking back I should have bought many of those just for the 64Gb of RAM...

- [0] https://sbcwiki.com/docs/soc-manufacturers/cix/cd8180-p1/boa...