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SLI + Physx question.

post #1 of 27
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Running 2 8800GTXs, Im adding a 8800GT for Physx,
Will this work?

How will i know if its working.
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post #2 of 27
I think you would just be better to TRI-SLI the 8800GTXs.
    
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post #3 of 27
Quote:
Originally Posted by Chromey View Post
Running 2 8800GTXs, Im adding a 8800GT for Physx,
Will this work?

How will i know if its working.
I'm pretty sure your 8800 GTX's would primarily handle the PhysX workload, which would make it pointless installing an 8800 GT for what your 8800 GTX's are already accomplishing.

EDIT: Not only that, but how exactly would you "disable" PhysX on the 8800 GTX's to allow the 8800 GT to solely handle it? They would still utilize PhysX, right next to your 8800 GT. lol three cards using PhysX, when there's barely 3 games that even employ it.
Edited by Diabolical999 - 12/14/08 at 6:26am
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post #4 of 27
Quote:
Originally Posted by Diabolical999 View Post
I'm pretty sure your 8800 GTX's would primarily handle the PhysX workload, which would make it pointless installing an 8800 GT for what your 8800 GTX's are already accomplishing.
And also a bit overboard on a 22" LCD, IMO.
    
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post #5 of 27
You should beable to select the 8800GT in the PhysX section of the control panel, leaving the SLI 8800GTXs to hand graphics.

Also, I can think of several games that would be quite GPU limted at 1680x1050, even with SLI 8800GTXs. So I don't think it's overkill.

Quote:
Originally Posted by Diabolical999 View Post
EDIT: Not only that, but how exactly would you "disable" PhysX on the 8800 GTX's to allow the 8800 GT to solely handle it? They would still utilize PhysX, right next to the 8800 GT. Three cards using PhysX lol.
PhysX can be manually set to run on any PhysX capable GPU you choose, to the exclusion of others.
Edited by Blameless - 12/14/08 at 6:25am
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post #6 of 27
Thread Starter 
We are all on OCN due to are strange want to go overboard on the little things..

As for a turning the physx off, Ive got the option in my Nvidia control panel.
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post #7 of 27
Quote:
Originally Posted by Blameless View Post
PhysX can be manually set to run on any PhysX capable GPU you choose, to the exclusion of others.
I have a couple 8600 GT's in SLI on another computer, and I only have an option to turn PhysX either On, or Off, period. No option to pick which *individual card* I want as "sole" PhysX handler. It just applies PhysX to both cards, simultaneously. Must be a new feature exclusive to new beta drivers or something, I dunno, haven't updated them in like a week.
Edited by Diabolical999 - 12/14/08 at 7:26am
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post #8 of 27
Quote:
Originally Posted by Diabolical999 View Post
I have a couple 8600 GT's in SLI on another computer, and I only have an option to turn PhysX either On, or Off, period. No option to pick which *individual card* I want as "sole" PhysX handler. It just applies PhysX to both cards, simultaneously. Must be a new feature exclusive to new beta drivers or something, I dunno, haven't updated them in like a week.
Diobolical999 yours are in SLI so your system see's them as 1 card
You can run 2 cards in SLI and a third for Physx but you will need to reinstall your drivers after you put the third card in and this should give you the option to select one card for Physx or so I am lead to believe from my readings on this subject. I will go SLI but only have 2 PCIe 2.0 slots so if I want a dedicated Physx card I will need to go with a PPU in a PCIe X1 slot
Edited by slickwilly - 12/14/08 at 2:19pm
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post #9 of 27
Quote:
Originally Posted by bluedevil View Post
I think you would just be better to TRI-SLI the 8800GTXs.
you can't sli an 8800gtx with an 8800gt...
    
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post #10 of 27
Quote:
Originally Posted by slothfish View Post
you can't sli an 8800gtx with an 8800gt...
That's why he said to Tri-SLi the GTX's.
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