Quote Originally Posted by Unwinder View Post
Correct. But normally amount of such GPIO controlable pins is reduced to required minimum during the PCB design (the rest VRM's VID pins are hardwired), so normally there is just 1 GPIO pin connected to VRM if 2 different voltages are needed, 2 pins if up to 4 voltages are needed etc. So maximum you can expect is having limited set of fixed voltages. And the maximum one is normally aready in use.
Hope this isnt the case with the 285, but thanks for sharing this info Unwinder, much appreciated!