The Abit K8N SLI Motherboard I have seems to do the trick. It has a passive northbridge and fits a XP-120.

http://www.newegg.com/Product/Product.a ... 6813127225

Also works with my Anetr Neo HE430, at least with my 6800GS plugged in

Got my Neo HE430 to work after I hooked up 12V lines from opposite ends of the removable connectors to my 6800GS video card. Until then I had no power up at all.

I was able to get my computer working last night. I powered the additional 12V connector on the motherboard as well as splitting the rails and using both connections to power the graphics card. Computer: Antec P180 case Thermalright XP120 AMD 64 +3500 Antec HE 430 Seagate Barracuda 7200.9 ST3808110A...

I'm a newcomer to building my own system from scratch and just spent most of the night trying to get it powered on. I read about the NE430 AFTER I ordered it from newegg. Now I'm trying to get my Abit KN8 SLi motherboard to power up and it won't. I get the lights on the motherboard to indicate it is...