Installed Windows 11 on old Area 51 R1 space black (non-ALX).  works fine.

have not yet tested AWCC install, but case LED turns on green after power on, then off for 1-2 min, then it momentarily booms again and the green LED on constantly.

I do not know what behavior MIO is doing during this boot, why it would turn off LED for a short period of time.  Green was the color I picked when it was previously running Win 10 (old ver. 1909) a few years ago.