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i just got a ace 580 watt psu to replace my ultra xconnect 500 watt psu that went bad.. This ace psu says it has dual 12v rails.

How do i use this to my advantage?

howdy chessman

Any mobo/rig can use dual rail power supplys - it just ensures that your power delivery is more linear by allowing one rail to supply power to your video card and processor for example, while the second rail is dedicated to supplying power to your hard drives, add in cards and optical drives

I've got the Xconnect 550 and Antec Neo Power in my two rigs, both have dual rail power supplys and it allowed me higher overclocking as well as better stability at high overclocks in comparison to my old antec and enermax units that were rated for nearly teh same power output, but offered only single rail 12V lines.

i hooked up new bfg 6800 gt with it and im getting atifacts badly in 3d,,

what id do rong here?

may i have everything on same rail? my mobo has 20 pin plus 4 pin 12v

this psu has a 24 pin connector that is seperatable down to 20... were does the other four go??? it doesnt fit the 12v 4 pin connection on my mother board,, only connector i could find that matched up to my motherboard 4 pin connection was a intel EPS12V 8 pin connector that splits in half and makes two 4 piners.. one fits exacly in the atx four pin on my mobo so thats what im running it on,, this must be rong.
pls help<

Is your Card overclocked? If so I would tone it down a little or can be a faulty GPU

no,, i dont over clock my stuff, i see a point in running my stuff hot for a 6% performance incress<

any way to tell for sure if its a faulty gpu?,, its a bfg 6800 gt oc and i got it back rma today,, omg rite

i tried a differ power dongle and i reseated the card to,, didnt help

Is the fan on the card working? It could be that the card is overheating.

If I remeber correctly your other card worked correct? If it didnt maybe a faulty gpu slot on your motherboard?