Update, I was able to wire up an atx psu following this post:
https://quade.co/2017/ps3-pc-power-supply/
But I would absolutely buy a board from you to make the conversion way cleaner. Subscribed for updates.
UPDATE: Finally received my created custom PCBs and built one. This is a standby power adapter only. The main 12v rails will come from either a 6pin PCIe or a 8 pin CPU power connectors. Works with all PS3 models from original launch model FAT all the way to Super Slims. Resistor can either be...