CrossFire + Physics

i have a measly 2Ghz core 2 duo laptop and in september am finally buiding a pc,
Q6700
oz reaper 4Gb 800mhz
and 2 x 1Gb HD2900 GDDR4
can these 2 cards run with a physics card as well and is there any mobo out there to
support it at full speed x16 with a third ATI as physics?

found a DFI Lanparty but pci-e only runs at x8

cheers guys for any help or info

Quote:

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Originally Posted by ebgsm

i have a measly 2Ghz core 2 duo laptop and in september am finally buiding a pc,
Q6700
oz reaper 4Gb 800mhz
and 2 x 1Gb HD2900 GDDR4
can these 2 cards run with a physics card as well and is there any mobo out there to
support it at full speed x16 with a third ATI as physics?

found a DFI Lanparty but pci-e only runs at x8

cheers guys for any help or info

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would you not be better off just buying one gfx card as there are still not many games that support sli/crossfire and the ones that do dont give huge increase in performance

a single 2900xt 1gb or 8800gtx/ultra and a physics card would make more sense unless you are rich of course then go for 2