Steve

I'm having the same approx 180 seconds reboot. Marlin 2.0.9.3 BTT SKR2 Rev B F429 with 2 x TMC2209 and 2 x 8845 I'm not using LASER_FEATURE or auto bed...

> you must remove the mini-sd onboard then no reboot Yes, this is the workaround I mentioned. It's still a bug though.

I have the same issue with the STM32F429 based SKR2. I discovered that if you remove the firmware microSD card the reboot issue stops.

> So basicly this board is useless (must use octoprint). I cannot get the stepper motors to move at all. There was the Rev A board problem too. > >...