# ATX Optional Power

(at the motherboard)
(at the cable)

6 PIN MOLEX 39-30-1060 at the motherboard
6 PIN MOLEX 39-01-2060 at the cable

Pin | Name |  |  | Color | Description
--- | --- | --- | --- | --- | ---
1 | FanM |  |  | White | Fan Monitor
2 | FanC |  |  | White/Blue | Fan Control
3 | 3.3V Sense |  |  | White/Brown | 3.3V Sense Line
4 | 1394R |  |  | White/Black | IEEE-1394 Ground
5 | 1394V |  |  | White/Red | IEEE-1394 Voltage?
6 | Reserved |  |  | n/a |

Contributor: Joakim Ögren

Source:
ATX Spec v2.03 at Platform Development Support

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08