I have a spare CM4 and a Waveshare CM4-DISP-BASE-5A.
Naturally before I start going out and shop for hardware... I was trying to find out whether this would work for HiFiBerry.
Anyway, the short story is that I eventually figured out that HiFiBerry OS wont boot from NVMe and I also eventually figured out how to make the screen work since it needed additional configuration files.
The question I wanted to ask is... is there a minimum screen resolution requirement for the HBOS GUI or Is there a way to force a certain resolution? Because the aforementioned screen has a native resolution of 800x480 but the GUI seems to be rendering at a larger resolution with the result being that part of the GUI is off screen rather than scaling down to fit.