The BananaPi CM4 doesn't play well with a number of third party base boards in that often, USB does not work on them. Usually, that is because the third party base board designer connected the USB hub IC to an SOC OTG port without connecting a line to switch the OTG port into host mode. The problem was demonstrated at least with the Waveshare CM4 Base Board B and the MCUZone POE baseboard. In the Banana Pi forums, Sinovoip engineer "August" posted a DTBO for Ubuntu 20.04 which solves the issue b