Do I need an nvidia chipset to run an Nvidia card on an AMD mobo?

Short answer no. As long as you have PCI-E X16 slots you can run any card you wish. Having 2 Nvidia cards in SLI would require an nvidia chipset like you said OR you can has a driver hack to enable SLI.

If you have 2 cards, you could also use one for PhysX and one for main gpu processing without any hacks or anything.
 
Short answer no. As long as you have PCI-E X16 slots you can run any card you wish. Having 2 Nvidia cards in SLI would require an nvidia chipset like you said OR you can has a driver hack to enable SLI.

If you have 2 cards, you could also use one for PhysX and one for main gpu processing without any hacks or anything.

So PhysX works fine without a Nvidia chipset?

People keep saying I can't get an AM3 board with Sata 3 and USB 3.0 and have an nvidia chipset. Honestly, It doesn't sound like a problem anymore.
 
So PhysX works fine without a Nvidia chipset?

People keep saying I can't get an AM3 board with Sata 3 and USB 3.0 and have an nvidia chipset. Honestly, It doesn't sound like a problem anymore.

Yes Physx works on AMD chipsets, you can have 1 nvidia card, or you can hvae an ATi card + nvidia card for dedicated physx
 
you know, actually i think the 470 and the physx card should work. pretty sure sli is the thing lacking that causes problems but you wouldn't be doing sli with that setup...
 
you know, actually i think the 470 and the physx card should work. pretty sure sli is the thing lacking that causes problems but you wouldn't be doing sli with that setup...

I just said the 470 as an example. I will only Get a 470 if I can't hack the 460 into Premiere Pro like you can the 480.
 
While on the Topic of PhysX and SLI, which of these cards would have the best price/performance for PhysX?
GTS 450
GTS 250
GT 240
GT 220
9800GT
9600GT
9500GT
9400GT

not sure if all those cards support physx though.
 
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