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Ati and Nvidia cards in same system, BUT NOT WORKING IN UNISON!

post #1 of 20
Thread Starter 
I'll try to make this short:

Up to this day, the new FERMI 400 and 500 line released by NVidia have lots of trouble with games that extensively use OpenGL, like Neverwinter Nights 1 and 2; we could narrow it down to many games released before 2007. Since NWN1 is my favorite game of all time, and I keep tweaking and playing it after almost a decade, it is of utmost importance that it runs in perfect shape.

Now, I'm getting a new system the next week, and have been looking for a GTX 295, the highest ranking NVidia card which is known to work flawlessly with NWN. However, such video card is becoming very hard to come by in this god-forsaken country of mine (dreaded Mexico) and I may have to settle for a 1 gig GTX 285. That is not my dreamed of card, so I decided to buy another one, and since the ATI HD 5970 is supposed to be the one God used to create the universe, I would probably go for it. The catch? Just like NVidia's Fermi cards, ATI's HD line messed up NWN, and no fixes were ever released by either Bioware or ATI.

So, if I can't find my 295, I would settle for a 285 and a HD 5970 ATI card. BUUUUT... Can they both run on the same system and monitor, on Windows 7 Ultimate 64 bits? I want to use the 5970 for everything except Neverwinter Nights. Is such a feat possible?
post #2 of 20
This is only a theory, but what if you had them both in the same machine, and had the Ati drivers on one account and the Nvidia ones on another account (say just for NWN) and when you needed to play nwn you changed the Vga cable over to the nvidia card and switched to the other account?

or maybe dual boot to windows from another Hdd with only the one set of drivers?

Like I said, ONLY a theory. Anyone tried something like this before?
I'm really interested
    
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post #3 of 20
Thread Starter 
Well, that's an interesting approach... but I was thinking more along the lines of having them both work under the same profile and account.

I mean, your suggestion is certainly creative... but I wonder if there is a more... direct... way.

Thanks, Muneris!
post #4 of 20
I think it's possible.

How are other people using Nvidia cards for physx when their main GPUs are ATI's?


NINJA EDIT:
Well that was stupid >.<
    
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post #5 of 20
I believe you can with Windows 7. Other people have successfully run ATI cards with Nvidia cards for PhysX (using a mod because Nvidia disables PhysX when an ATI card is detected in the same computer).

You just need a way to switch your monitor between the ATI and Nvidia card. Perhaps hook up your monitor to both cards and switch between the inputs with your monitor's OSD. Also, the game needs to select the correct display adapter.

You cannot do this with Vista, however.
Edited by Riou - 1/1/11 at 8:24am
post #6 of 20
Quote:
Originally Posted by Jedijax View Post
Well, that's an interesting approach... but I was thinking more along the lines of having them both work under the same profile and account.

I mean, your suggestion is certainly creative... but I wonder if there is a more... direct... way.

Thanks, Muneris!
Just trying to give something back to oc.net =]
    
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post #7 of 20
Thread Starter 
I thank you all guys for your input, but quite frankly, I think I won't risk it... I mean, It is waaaaay too much money to go on a hunch! (I don't know just how expensive video cards are for you, but down here you have to sell your firstborn child in order to get one).

So, howz'about a SLI mix? Do you think a dual 1 gig 285 may be best than a GTX 295, or, dare I say... a ATI HD5970?
post #8 of 20
You can have multiple brand GPUs working just fine under Windows 7 without mods - NVIDIA fixed the lock that prevented it a while back.

IMO, skip the PhysX card, its pointless unless you got a game specifically calling for it (batman AA, etc)
    
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post #9 of 20
Thread Starter 
Oh! Oh! So, I can actually use the Nvidia Card solely on NWN1 and the ATI for everything else, without changing anything?

On the other hand, I agree on your take regarding PhysX. Not many of the games I play actually use it.
post #10 of 20
Quote:
Originally Posted by Jedijax View Post
Oh! Oh! So, I can actually use the Nvidia Card solely on NWN1 and the ATI for everything else, without changing anything?

On the other hand, I agree on your take regarding PhysX. Not many of the games I play actually use it.

idk what you're referred to by "NWN1"... so I'm not sure what you're asking
ok NWN is a game, then yeah you can definitely do that - to make a specific card the primary you would need to switch the cable of how its hooked up though. You could hook up two DVI/HDMI/whatever cords to both cards and just flip between them on your monitor's input (given you have multiple, i do) and switch that way, or use 1 cord and just shut the PC Down, switch cables, and reboot to make one GPU the primary vs secondary. I've done this back when I was a hardcore folder and wanted to use one GPU for something other than games
There might be an easier way to switch these days, i really am not sure its been almost a year since I've needed to do such a thing (i've just been buying highend stuff now ) but it is definitely possible

on the otherhand: Yeah, not many games really use it. Like I said, if you got a game you play enough to warrant the PhysX card - by all means do it. But from my investigation of what games I actually play that could use a PhysX card, let alone even use PhysX: 1 lol, and I dont even play it much
Edited by OC96junkie - 1/1/11 at 9:47am
    
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