Try netinstall using backup bootloader if that makes any difference.
Another possibility is the caps on the board got old and dry and PSU can’t supply the CPU under load… so it reboots. But why it was working properly before… hard to say.
Try netinstall using backup bootloader if that makes any difference.
Another possibility is the caps on the board got old and dry and PSU can’t supply the CPU under load… so it reboots. But why it was working properly before… hard to say.