If you left the main board power cable connected to power supply, here are the useful pins on the 14-pin connector. 12V always on is same as G3H_ACDC. Hook up Andrey’s switch circuit to pins 2,4, 14 (arrows). Anyone know if it is safe to gang the 12V switched outputs for more current? Andrey’s circuit from above
Totally agree. I did exactly the same. Less chance for mistakes having to do and then undo steps 6-8 and faster and easier. The whole process was shockingly simple. Sad I waited so long.