[ReverendMaynard]

Originally Posted by Splave

Its def a weird issue, I mounted the cascade myself twice while he was here lol so it wasnt a n00b mount issue, Boots fine at 25c -2c and soon as you hit around -30c wont boot. FF of doom which is CB issue. Maybe you already had the X-cool in the right spot and we moved off again?

that's my thought as well. -30 with the jumper in the left position will CB every time. If you look at the board straight on, it has to be on the right three pins.