12V/5V Power Supply Hookup Guide

Contributors: bboyho
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Hardware Overview

The power supply's pinout is shown below. The connector's molding should have numbers associated with the output to help identify the connection. You will also notice that the connector is polarized with the two chamfered corners.

Molex Connector Pinout with Labels

Pinout Table

The following table describes the ATX connector's pinout and what color the wire may look like.

ATX Pinout (4-Pin) 12V/5V Power Supply Notes
1 +12V "Red"
2 N/C May Not Be Not Connected
3 GND "Yellow"
4 +5V "Black (or White)"