New Physx Drivers Seperate Card For Physx

KieranD · Aug 7, 2008, 03:19 PM

I heard with the new Physx software you can enable a seperate gpu to do only Physx.

You can have a 8600gt to do physx alongside another card.

Since it is only doing Physx and not SLI i think you can do this on crossfire boards.

alexp999 · Aug 7, 2008, 03:22 PM

Quote:

Originally Posted by KieranD

I heard with the new Physx software you can enable a seperate gpu to do only Physx.

You can have a 8600gt to do physx alongside another card.

Since it is only doing Physx and not SLI i think you can do this on crossfire boards.

What a great question, sorry not to be posting with an answer, but this I got to hear the answer too. I may pick myself up a £30 8 series if this turns out to be true and worth it.

KieranD · Aug 7, 2008, 03:29 PM

i think i might get myself a cheapo 8000 series prolly 8600 series

ebay FTW

i think now it would be cool to tri SLi and dedicate a card to physx

alexp999 · Aug 7, 2008, 03:34 PM

Found the answer, yes you can!!!

http://www.firingsquad.com/hardware/...ance/page2.asp

It says :

In SLI mode, each GPU in your system shares the physics processing and graphics workload evenly. This is the default mode when SLI is enabled in the ForceWare control panel

In multi-GPU mode, one GPU handles all graphics duties, while the second card is solely responsible for tackling all physics commands. Under this mode end users can mix and match different cards. For instance, someone who purchased a GeForce 8800 GT last year can run this card for physics, and then pick up a brand new GeForce GTX 280 to run as the primary graphics card for gaming. An SLI motherboard isn’t required for this mode either, both SLI and non-SLI motherboards are supported.

One limitation of this mode under Vista is that a second monitor must be attached to run PhysX on the secondary GPU, and you must extend the Vista desktop onto this secondary monitor. According to NVIDIA this limitation is related to the Windows Vista display driver model (WDDM). However, the same limitation does not exist in Windows XP. (so glad my monitor has two inputs

)

mullered07 · Aug 7, 2008, 03:38 PM

Quote:

Originally Posted by alexp999

(so glad my monitor has two inputs

)

what does that mean ?

alexp999 · Aug 7, 2008, 03:40 PM

Quote:

Originally Posted by mullered07

what does that mean ?

Sorry missed a bit on the copy and paste:

Quote:

If you don’t have a second monitor available, you can also run a second display cable from your monitor to the second GeForce card running PhysX.

NVIDIA is working on a workaround for this issue, but we don’t have an ETA on when this will be available or how it will work.

timta2 · Aug 13, 2008, 07:00 AM

I'm getting worse performance in the Nurien demo with a second card doing PhysX. With my 8600GT doing Physx and my 8800GTS 512 for the main display I get 35fps. With the 8800GTS 512 doing both I get 40fps. I guess I will check out some games that use PhysX but I'm kind of shocked by that. If it is this way across the board then there isn't any advantage to using a lesser second card for PhysX.

raptori · Aug 13, 2008, 10:58 AM

noooooooooooo this is not good news

raptori · Aug 13, 2008, 11:05 AM

Quote:

Originally Posted by timta2

I'm getting worse performance in the Nurien demo with a second card doing PhysX. With my 8600GT doing Physx and my 8800GTS 512 for the main display I get 35fps. With the 8800GTS 512 doing both I get 40fps. I guess I will check out some games that use PhysX but I'm kind of shocked by that. If it is this way across the board then there isn't any advantage to using a lesser second card for PhysX.

Quote:

Originally Posted by raptori

noooooooooooo this is not good news

oops

candle_86 · Aug 13, 2008, 06:16 PM

well get a secondhand 8800GT or 8800GTS 320 or even an 8800GS to run your physx on

timta2 · Aug 13, 2008, 09:05 PM

Quote:

Originally Posted by candle_86

well get a secondhand 8800GT or 8800GTS 320 or even an 8800GS to run your physx on

It seems to me that would be a silly waste of money. Anybody else try similar testing?

boogah · Aug 13, 2008, 10:57 PM

from my testing.. single card yields better results overall unless the 2 cards are SLI together ^___~

kid41212003 · Aug 14, 2008, 01:41 AM

ATI & NVIDIA Drivers may conflict, updated drivers needed for ATI and NVIDIA cards setup to work together, and I heard this questions over and over again 100+ time in 50 threads... Someone should make a thread with everything on it.

PuMA · Aug 14, 2008, 11:05 AM

GTX260 as physx processor gave me 2000 points better score in fluidmark physx test than 8800gts 320mb.

Aug 7, 2008, 03:19 PM	#1
KieranD Eligible for custom title Join Date: Aug 2007 Location: Glasgow, Scotland Posts: 5,460 (2.59/day) Thanks: 1,640 Thanked 822 Times in 713 Posts System Specs	New Physx Drivers Seperate Card For Physx I heard with the new Physx software you can enable a seperate gpu to do only Physx. You can have a 8600gt to do physx alongside another card. Since it is only doing Physx and not SLI i think you can do this on crossfire boards. __________________ http://myinstants.com/instant/transformer/

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Aug 7, 2008, 03:29 PM	#3
KieranD Eligible for custom title Join Date: Aug 2007 Location: Glasgow, Scotland Posts: 5,460 (2.59/day) Thanks: 1,640 Thanked 822 Times in 713 Posts System Specs	i think i might get myself a cheapo 8000 series prolly 8600 series ebay FTW i think now it would be cool to tri SLi and dedicate a card to physx __________________ http://myinstants.com/instant/transformer/

Processor:	Intel i5 2500k 4ghz
Motherboard:	Asrock Z68 Extreme 3 Gen 3
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PSU:	Corsair TX650w
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Aug 7, 2008, 03:34 PM	#4
alexp999 Staff Join Date: Jul 2007 Location: Dorset, UK Posts: 6,728 (3.16/day) Thanks: 684 Thanked 915 Times in 783 Posts System Specs	Found the answer, yes you can!!! http://www.firingsquad.com/hardware/...ance/page2.asp It says : In SLI mode, each GPU in your system shares the physics processing and graphics workload evenly. This is the default mode when SLI is enabled in the ForceWare control panel In multi-GPU mode, one GPU handles all graphics duties, while the second card is solely responsible for tackling all physics commands. Under this mode end users can mix and match different cards. For instance, someone who purchased a GeForce 8800 GT last year can run this card for physics, and then pick up a brand new GeForce GTX 280 to run as the primary graphics card for gaming. An SLI motherboard isn’t required for this mode either, both SLI and non-SLI motherboards are supported. One limitation of this mode under Vista is that a second monitor must be attached to run PhysX on the secondary GPU, and you must extend the Vista desktop onto this secondary monitor. According to NVIDIA this limitation is related to the Windows Vista display driver model (WDDM). However, the same limitation does not exist in Windows XP. (so glad my monitor has two inputs ) __________________ ASUS P45 Club [FS] [WTB] Heatware ebay Elite Lounge USB Boot Guide 3DMark Vantage My Rig XBOX Gamertag Steam ID Dad's: EVGA 750i FTW, E6600, F7Pro, 4GB, 8800GTS 640MB SLi, SST 750W, Commodore EVE Gallente Case

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Aug 13, 2008, 07:00 AM	#7
timta2 Join Date: Jan 2008 Location: Milwaukee, Wisconsin, USA Posts: 786 (0.40/day) Thanks: 94 Thanked 106 Times in 97 Posts System Specs	I'm getting worse performance in the Nurien demo with a second card doing PhysX. With my 8600GT doing Physx and my 8800GTS 512 for the main display I get 35fps. With the 8800GTS 512 doing both I get 40fps. I guess I will check out some games that use PhysX but I'm kind of shocked by that. If it is this way across the board then there isn't any advantage to using a lesser second card for PhysX.

Processor:	Intel i7 930 @4.0Ghz @1.26v (HT On/LLC Off)
Motherboard:	Gigabyte GA-X58A-UD7
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Aug 13, 2008, 10:58 AM	#8
raptori Join Date: Mar 2008 Location: Baghdad,Iraq Posts: 506 (0.27/day) Thanks: 58 Thanked 62 Times in 46 Posts System Specs	noooooooooooo this is not good news

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Aug 13, 2008, 06:16 PM	#10
candle_86 Banned Join Date: Dec 2006 Posts: 2,642 (1.13/day) Thanks: 76 Thanked 237 Times in 200 Posts	well get a secondhand 8800GT or 8800GTS 320 or even an 8800GS to run your physx on

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Aug 13, 2008, 10:57 PM	#12
boogah Join Date: Jun 2008 Location: Houston Posts: 865 (0.48/day) Thanks: 22 Thanked 146 Times in 140 Posts System Specs	from my testing.. single card yields better results overall unless the 2 cards are SLI together ^___~

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Aug 14, 2008, 01:41 AM	#13
kid41212003 Join Date: Jul 2008 Location: California Posts: 2,559 (1.43/day) Thanks: 312 Thanked 533 Times in 435 Posts System Specs	ATI & NVIDIA Drivers may conflict, updated drivers needed for ATI and NVIDIA cards setup to work together, and I heard this questions over and over again 100+ time in 50 threads... Someone should make a thread with everything on it. __________________

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Aug 14, 2008, 11:05 AM	#14
PuMA Join Date: Jul 2006 Location: Finland Posts: 707 (0.28/day) Thanks: 10 Thanked 29 Times in 28 Posts System Specs	GTX260 as physx processor gave me 2000 points better score in fluidmark physx test than 8800gts 320mb.

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