And it's obviously kind of absurd. but it, it has the same quality of like, wait, what program does the computer run to enable the computer to run programs? so it's sort of a chicken and egg problem. so the way it works is that the hardware, the, the CPU has what, it recognizes that it was, it has just turned off and it was just started up. and so, there's a special tiny program that is hard-wired into the computer to run at that moment. and that program can maybe check, check what hardware is there. 