24 Pin Motherboard Power Connector Pinout
ATX 24-Pin 12V Power Connector Pinout (ATX v2.2) Below is the complete pinout table for the standard ATX 24-pin 12V power supply connector as of Version 2.2 of the ATX Specification (PDF). More Information on the ATX 24-Pin 12V PSU Connector The power supply connector can only be plugged in while pointing a specific direction on the motherboard. If you look carefully at the following illustration, you can see the pins take a unique shape, one the motherboard matches in only one direction....