ATX power supply connector pinout |
connector or cable wiring scheme |
v 1.x with 20 pin connector was widely used at PC motherboard. Replaced by v 2.x with 24 pin connector
20 pin MOLEX 39-29-9202 connector | ATX specification includes not only Power Supply Unit, but also case and motherboard. In addition to old AT standard, one extra voltage line is available(+3.3V), connector changed to a single 20-pin and power supply uses a power-on wire, allowing PSU to be turned off by software.
18 AWG is recommended for all wires except pin 11, which should be 22 AWG. For 300W configurations 16 AWG is recommended. | 20 pin MOLEX 39-01-2200 connector | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pinouts.ru > ATX, BTX, WTX and other power supply cables connectors pinouts listing > Pinout of ATX power supply connector and layout of 20 pin MOLEX 39-29-9202 connector and 20 pin MOLEX 39-01-2200 connector |
correct | |
Source(s) of this and additional information: ATX Spec v2.03 at Platform Development Support, from Hardware Book | 22 reports | |
Last updated at Fri Sep 15 2006. Submit additions or corrections for this document. | Is this document correct or incorrect? What is your opinion? |