Issues with trying to run a modern BSD on a Raspberry Pi 400
I've been running into some strange issues when trying to run a BSDD on my RPi 400 as of late:
NetBSD was the first, and it just showed a blank screen
FreeBSD gave me a rainbow screen (It works when i have the HDMI connection on HDMI1, however it seems like trying to run X11 is going to be a utter hassle…).
I have tried OpenBSD and it doesn't seem to progress ahead of a all-blank screen after the u-boot screen.
In both cases of NetBSD and FreeBSD- they were the most recent stable versions available. I both had tried the official RaspberryPi imaging app and balenaEtcher, but they have not worked well for me… Is there i step i missed somehow in the process?
EDIT: 9:41pm Sep27 2026- Add notes about OpenBSD & FreeBSD