@malcolmlewis
I made my SD card with:
sudo xzcat openSUSE-Leap-15.6-ARM-JeOS-raspberrypi.aarch64-2025.01.29-Build17.25.raw.xz | dd of=/dev/sda bs=4M iflag=fullblock oflag=direct status=progress
I got the following screenshot on boot:
Do you mind to consider doing what the message my ocr decrypted from the picture suggests?
The installed operating system (OS) does not indicate support for Raspberry Pi 5 Update the OS or set os_check-0 in config.txt to skip this check,
Yes, I did not find config.txt in the OS to set os_check=0