Possible to use Nvidia and AMD simultaneously?

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xevious

Weaksauce
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Feb 11, 2008
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I have a 8600gt in my system at the moment. I recently bought the HD 4830.

I would like to know if its possible to use the 4830 as the main card, but have the 8600gt in the system for folding. Although it doesnt get me great results, its better than nothing and I would like to get the most use out of my existing technology.
 
Which OS are you using? If XP, yes. If Vista, no.
 
i'm wondering the same thing....

i am going to be buying a 4870 soon and i am wanting to keep the 9800gtx for folding if i can't get rid of it... would be nice to be able to not have to build a new rig for it.
 
You can do it in windows and xp and in windows 7. Not in vista however.
dr: you can use the 9800gtx for physx.
 
Good to know that its possible, but what procedure must be done to make it work?

I figure stick the card in the 2nd pcie slot, and get the nvidia drivers. But wont the system get confused if it has both ati and nvidia drivers?
 
not in vista?

like not at all?

i have onboard hd3200 graphics (ati) and would like to try them out too... will these not work either under vista?
 
dr papadakalis said:
not in vista?

like not at all?

i have onboard hd3200 graphics (ati) and would like to try them out too... will these not work either under vista?
Click to expand...

No it won't because vista uses WDM 1.0 that allows only one driver set for gpu. Win xp and windows 7 allow both.
 
Can someone put down what needs to be done for an nvida and ati card to work in the same system.
 
Install the first card. Install drivers. Install the second card. Install drivers. No, it will not get confused.

As others have stated, this will not work in Vista. Only XP and Windows 7. In Windows 7 you also cannot be using Vista compatible drivers, but Windows 7 specific WDM 1.1 compatible drivers. (Vista uses WDM 1.0 drivers, and is limited to a single graphics driver for all cards in a given system, hence no ATI and Nvidia in the same box with Vista.)
 
Thanks silent-circuit, thats all i wanted. I just thought there would be more to it. And as i previously mentioned i have XP, so all vista concerns dont apply to me.
 
I have been wondering if Nv could get us around that WDM 1.0 limitation. With a driver set and/or bios to show one of their cards as a CUDA/PhysX card only and not as a graphics card. I mean you need only trick Vista into thinking it is not a graphics card, right?. I would think it should be possible, but I am not a programmer and Nv prolly has better things to do with their driver teams than something like this. But it would allow people that switched to Ati's 48xx series the option of using a 88xx or 98xx card for CUDA/PhysX.

I'm not all that into CUDA or PhysX, but I do have a pair 8800gts and a 9800gtx laying around that I would prolly put to use if it were possible under Vista. An "I have them why not use them" sort of thing.
 
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