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Videocards vs General Purpose - NVIDIA Ageia PhysX, GPGPU etc. In this section you can discuss general purpose application that run over your GPU, like transcoding, Physics simulation etc.


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9800GT AND Onboard 8300?
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Hog54
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Default 9800GT AND Onboard 8300? - 12-14-2008, 18:27 | posts: 1,031 | Location: Boston

With my motherboard being hybrid sli and all,Is there anyway or does anybody know somebody thats done it by using the onboard gpu as a physx card?
   
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sykozis
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Default 12-14-2008, 18:56 | posts: 16,587 | Location: US East Coast

wouldn't really recommend using the onboard 8300 for physx as it really doesn't have the power.....if it's even capable of running physx.
   
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Hog54
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Videocard: Evga GTX460 SC 1GB
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Default 12-14-2008, 19:40 | posts: 1,031 | Location: Boston

Well i dont know if it will run physx but i was able to run COD world at war on low to medium settings till my main card got delivered.
   
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Iarwain
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Default 12-15-2008, 20:03 | posts: 3,048

Not possible. I don't think the drivers even allow it, and if they did, it would slow it down more than speed it up.
   
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ShivanSpS
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Default 12-15-2008, 20:44 | posts: 144 | Location: Argentina

Ok, i also have an 8300 onboard, if i remove the 4670, i can activate physx, both from nvidia control panel and Physx control panel says "Hardware Enabled: Geforce Physx". I can run the fluid demo and everything...

When i try to use the 4670 as primary and the 8300 as physx(Windows XP), just to do some tests, i have to plug a monitor to the 8300 to be enabled, once enabled, the nvidia control panel says "Hardware Physx->Enabled", but the Physx control panel keep saying "no physx hardware acceleration", it dont let me to select "Geforce Physx"...

And i cant run the fluid demo either... i try Warmonger and the effects seens to be enabled... if i switch disabled/enabled in the nvidia control panel, i can see a big diference in the details, particles, everything can be broken... in disabled, does that didt happend. Still no fps improvement, in both cases fps where really lame, about 10-15..., is an IGP i cant expect it to improve anything.

I dont know what IGP you are using, this 8300 has 16 shaders @ 1500mhz, some people say that 8300 has 8 shaders no 16.. i dont know, this one has 16.
   
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Hog54
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Videocard: Evga GTX460 SC 1GB
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Default 12-15-2008, 21:46 | posts: 1,031 | Location: Boston

Well supposedly the hybrid part only works in vista.I gonna try enabling the onboard in bios and seee what happens,Right now i dont even see the physx part in control panel,but i know its installed.
   
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ShivanSpS
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Videocard: EVGA GT240
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Default 12-18-2008, 04:21 | posts: 144 | Location: Argentina

On i made it work on Windows 7... i made a small review for some friends of the 4670 as 3D and the 8300IGP as Physx in UT3... it dont come a suprise that it lacks the power to run physx..

you can look the results i made here, is in spanish.

http://www.hardware-tech.com.ar/view...4&p=5903#p5903
   
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MM10X
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Default 12-18-2008, 16:39 | posts: 4,178 | Location: Oakland, CA, US

makes sense, its not powerful enough because it does not have dedicated GPU memory, its shared system RAM, thus slowing it majorly.
   
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Lserge
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Default 05-06-2009, 00:59 | posts: 1

I have my Geforce 9800GTX+ as primary display and Physx enabled on my onboard 8300. It's easy to do on the Nvidia Control Panel.

I've tried both configs and quite honestly haven't found much difference, although I suspect that i get a few glitches when the 8300 is enabled. Although I did get a slightly higher score on 3dMark06.
   
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