The power for my computer is 100% independent from the Tormach's power and it's switch is by itself, not even on the Tormach's control panel. The computer switch on the panel only controls power for the monitor. The supply voltage for the computer is controlled only by the on/off switch on the computer. I made this setup immediately after the first time some idiot shut down the computer while a job was running. That was years ago and no problems since.