Hopefully to save someone else a headache. I have a Framework Desktop 64GB now running CachyOS. I found it will not fully boot meaning no display out on DP or HDMI if you have this device connected. Doesn’t matter if its front or back USB. This is a nothing special just a wireless keyboard with an integrated touchpad. We use them in the lab on Lenovos, Dells and HPs. Framework fw (I’m speculating) does not like this at all. A wired USB keyboard and mouse allowed the system to boot fine.
The model information: Riitek K22 M/N SZ1