I've used this method: using a CM4 on a CM5-IO-Board. USB 3.0 is disabled (meaning both USB 2.0 and USB 3.0 on the board are inoperative), but HDMI works fine, and the GPIO is functional.
I haven't tested the M.2 M Key.
I haven't tested the M.2 M Key.
Statistics: Posted by qiangyou_peng — Fri Oct 17, 2025 1:39 am