Ps3 Fat Power Supply Pinout May 2026

He decided to build a dummy load. The PSU wouldn’t turn on without a load on the 12V rail—it was a switching power supply, smart enough to stay off if it sensed no consumption. He soldered a 10-ohm, 10-watt resistor between pin 13 (12V) and pin 1 (GND). Then, he shorted pin 7 (PS_ON) to pin 2 (GND) to simulate the "turn on" command.

But tonight, nostalgia had bitten hard. He wanted to play Metal Gear Solid 4 again. ps3 fat power supply pinout

First, he tested the PSU on its own. He plugged the AC cord into the wall (carefully—he knew the primary capacitors could hold a lethal 380V charge). He probed pin 5 (5VSB). Nothing. Pin 7 (PS_ON) was supposed to be a high signal (3.3V) when off, and ground when on. It read 0V. He decided to build a dummy load