Hello, at https://ftp.openbsd.org/pub/OpenBSD/7.2/arm64/INSTALL.arm64 under "OpenBSD System Requirements and Supported Devices:" ... "Amlogic G12B/SM1" the Banana PI BPI-M5 isn't listed.
Whereas at https://www.openbsd.org/arm64.html under "OpenBSD/arm64 runs on the following hardware:" ... "Amlogic G12B/SM1" it can be found. Please inform me, which page is accurate. Thank you! -kodcode