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Old 06-17-10, 10:05 AM   #1
italy2010
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Exclamation 3-WAY SLI why disable physx???

hi to all im goona to buy 3 GTX 480 to turn on 3-WAY SLI GTX480 ZOTAC but im see some think in the net in benchmarks in the web that all test enable 3-WAY SLI they disable the PHYSX option?why?
the 3 GPU work to gather in graphics and physx mean 3GPU for GRAPHICS & 3PPU FOR PHYSX or not?
or the disabling the physx in 3-WAY SLI that mean no physx availble for games just 3-GPU for graphics and no physx?
if i enabling the physx in 3-WAY SLI may be that mean the 2GPU work for graphics and the
3rd card work to physx that mean two way sli no 3-WAY SLI in that case mean
((no 3GPU AND 3PPU)). plz plz plz i wanna to understand the theoryof 3-WAY SLI WITH PHYSX enabling.
thankz
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Old 06-17-10, 10:33 AM   #2
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Default Re: 3-WAY SLI why disable physx???

They disable the Physx for tests against ATI Radeon's because the ATI cards can't do it. The reviewers are aiming for a more concise comparison of the 2 cards.
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Old 06-17-10, 01:51 PM   #3
italy2010
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Exclamation Re: 3-WAY SLI why disable physx???

OK thankz to you.
But i CANOT understand what theory of 3-WAY SLI WITH PHYSX enabling? mean
3 GPU & 3 PPU WORKS ?????? OR 3 GPU WITH 1 PPU WORKS in 3-WAY SLI?
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Old 06-17-10, 02:02 PM   #4
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Default Re: 3-WAY SLI why disable physx???

Just one of the cards is used for physx. I think it used to be (for SLI modes) the primary card. But I think the new 257 drivers may let you choose? not sure

You still get optimum physx performance with one card dedicated for physx (not part of the SLI array)
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Old 06-17-10, 10:47 PM   #5
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Default Re: 3-WAY SLI why disable physx???

Yeah, the new 257 drivers lets you choose which card you want for physx.
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Old 06-20-10, 01:19 AM   #6
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Default Re: 3-WAY SLI why disable physx???

But I thought nvidia said that was a flaw in there drivers and it would be fix by there next driver.I know why, but I just don't understand why nvidia want let ATI work with thier cards for phys-x ,they would sell some more of the low end ones if they would let you do it without haveing to do driver hack's.
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