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**Guide: Enable ATI + Nvidia PhysX on Single monitor** - Page 6

post #51 of 120
2/1/10 at 5:32am
Bumping up for a question.

I'd be interested to hit a 8800GT or similar in my rig for physx since I can get a few different models from my friend for beer price but my question is this: Will I get any benefit from it due to only having a 1x slot? I'm currently running a 5770 and obviously it is taking the only PCI-E 16x slot. Due to buying a budget mobo, it only has PCI-E 16x and 1x so this is why I'm wondering.. I will be upgrading later on this year to a new mobo so it would eventually run at 8x but untill that, would the 1x slot give me any advantage on physx games?

Tried googling but found mixed results and they were darn old aswell so wanted to confirm.
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post #52 of 120
2/1/10 at 8:06am
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I can put PhysX to work but no such luck with Cuda my primary VGA i s a 5870 and since i have a 8800GT i wanted to use it as physX and when i am not gamming to fold... But it doe snot show Cuda enabled.. gives EUE error somebody know how to fix?
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post #53 of 120
2/1/10 at 8:57am
I just received my 9800GT last week and installed the 196.21 nvidia driver and 1.02 patch...

didn't need any dummy plugs with resistors or extending desktop in screen resolution and PhysX works... *main HD5850, with EVGA 9800GT for PhysX*

Fluidmark was flawless, 3dmark Vantage CPU went up to 60k+ and Batman Arkham Asylum *took a while to figure out PhysX is only enabled after the 1.1 patch...* was amazing

is extending desktop/dummy plug really necessary?
I tried extending it and put it into a corner, but I still lost my mouse pointer when I moved too far to the corner... so I turned it off again... since PhysX seems to be working either way
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post #54 of 120
2/1/10 at 9:00am
You dont need a dummy plug..

Right click desktop, click Screen Resolution, click Detect, click the newly created display, set Multiple Displays to "Try to connect anyway: VGA", apply, extend to the newly created display.

Welcome to Windows 7.

Quote:
Originally Posted by zedex View Post
is extending desktop/dummy plug really necessary?
Dummy Plug isn't.... extending to the fake display is.
Edited by Murlocke - 2/1/10 at 9:03am
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post #55 of 120
2/1/10 at 12:05pm
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Right... And to put it to fold side by side with a ATi Card? I can put to fold one or the other but not the Two at the same time cause Cuda does not stay enabled only if i make it my primary display and swicth the DVi cable
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post #56 of 120
2/3/10 at 4:49am
Thread Starter 
You need the dummy plug to fool your Nvidia (secondary) vcard into thinking it's plugged into a monitor. I've tried doing away with the dummy plug, but it just won't work.. so, as far as I'm concerned, you need that dummy plug.
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post #57 of 120
2/3/10 at 4:51am
Thread Starter 
Quote:
Originally Posted by DJEndet View Post
Bumping up for a question.

I'd be interested to hit a 8800GT or similar in my rig for physx since I can get a few different models from my friend for beer price but my question is this: Will I get any benefit from it due to only having a 1x slot? I'm currently running a 5770 and obviously it is taking the only PCI-E 16x slot. Due to buying a budget mobo, it only has PCI-E 16x and 1x so this is why I'm wondering.. I will be upgrading later on this year to a new mobo so it would eventually run at 8x but untill that, would the 1x slot give me any advantage on physx games?

Tried googling but found mixed results and they were darn old aswell so wanted to confirm.
I can't really say for sure since I don't have experience with running cards on a PCIE 1, but I think it'll be enough
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post #58 of 120
2/5/10 at 4:36am
Running a nvidia physx enabled card will only give improvements to the games which support physx, right?

I'm thinking about trying to hook up my old 8600GTS but after reading all this, it seems that physx isn't really anything "that" amazing. So the main question really is, is there any performance boost in other games?

p.s thanks for the tutorial.
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post #59 of 120
2/5/10 at 11:08pm
Thread Starter 
Quote:
Originally Posted by corx View Post
Running a nvidia physx enabled card will only give improvements to the games which support physx, right?

I'm thinking about trying to hook up my old 8600GTS but after reading all this, it seems that physx isn't really anything "that" amazing. So the main question really is, is there any performance boost in other games?

p.s thanks for the tutorial.
You're right, it only improves games with physX support such as batman aa, mirror's edge, etc. But for the rest of the games out there (no using PhysX), it doesn't improve performance, but you do get higher 3dmark vantage scores
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post #60 of 120
2/6/10 at 8:20am
Quote:
Originally Posted by pipnasty View Post
You need the dummy plug to fool your Nvidia (secondary) vcard into thinking it's plugged into a monitor. I've tried doing away with the dummy plug, but it just won't work.. so, as far as I'm concerned, you need that dummy plug.
weird... all I've done was plug in my 9800GT into my secondary PCI-E slot, plug the power, install the nvidia driver (196.21 I believe... not sure... not really following nVidia stuff, and probably won't update it for a LOOONG time neither) then installed the phys-x patch...

restarted computer, couldn't find nvidia control panel because there was no icon next to it like ATI Catalyst Control Center, and it wasn't on the top of the list like ATI CCC when you right click on desktop... but after looking through the whole menu again, opened it up, went to 3D settings, and clicked on enable PhysX ...

ran fluidmark, was averaging 50 fps, ran 3dmark Vantage, CPU score went from ~18000 to over 60000!!! ran Batman AA, worked well *without PhysX, because I didn't know you needed a patch for it and was wondering why there was no choice to enable/disable PhysX* then 1/3 through the game, realized some stuff seems to be missing like mist/smoke effects... so did some online research, found out needed to patch it, so I did, enabled PhysX, averaging 40-50fps... 1080p all settings max *except 0xAA...*

then Mass Effect works well too, and I can clearly see PhysX at works for the little objects you run over and stuff

I don't know... I didn't even need to set the screen resolution > extend desktop at all!
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