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Old Hardware SLI Questions!

post #1 of 10
Thread Starter 
Hello, I've obtaned a 7900 GT and I might get a 7900 GS tommorow. I might also be getting an SLI capable motherboard tommorow as well.

If you couldn't guess already, I want to know if the GT and GS will SLI. I've heard there's hacked drivers to do this and was wondering if that's true and if it can be done.


And yeah I know they're old junk cards, I know performance is horrible but I just want to mess around.
     
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post #2 of 10
Not sure on the older GPUs, but I know on some newer cards, combining different models in CF/SLI will just results in them both running at the lower speed. If you already have them, worth a shot.
post #3 of 10
Thread Starter 
Quote:
Originally Posted by ninjacore View Post

Not sure on the older GPUs, but I know on some newer cards, combining different models in CF/SLI will just results in them both running at the lower speed. If you already have them, worth a shot.

Well I have the GT at the moment and I'll probably get the GS tommorow but if someone says its definitely not possible than I wont get the GS tommorow. I also most likely won't get the GS if the motherboard I get tommorow doesn't support SLI or only has 1x pcie x16 slot.
     
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post #4 of 10
Which motherboard are you looking at? Typically, you are going to pay a ton for a mobo that does 16x/16x in CF or SLI
post #5 of 10
Thread Starter 
Quote:
Originally Posted by ninjacore View Post

Which motherboard are you looking at? Typically, you are going to pay a ton for a mobo that does 16x/16x in CF or SLI

Just an old socket AM2. It's supposedly a Winfast board from an old Alienware. And I'm definitely not expecting x16 bandwidth from each, I just meant the slots.
     
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post #6 of 10
Well, if nothing else you can use the faster one for hybrid physx wink.gif
post #7 of 10
Thread Starter 
Quote:
Originally Posted by ninjacore View Post

Well, if nothing else you can use the faster one for hybrid physx wink.gif

Lol I honestly don't think even the GT would be nearly fast enough to do any decent physX work.

I bought the GT off ebay for $15 (was the first eBay auction I ever won, I usually just "Buy It Now"). I bought it just as a basic card for video output for use on my test bench. It's my Test Bench's official graphics card.
     
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post #8 of 10
Thread Starter 
So I got the motherboard today, its an Foxconn N570SM2AA-8EKRS2H from an old Alienware. I had to literally wash the heatsink, it was so clogged with dust.

I'll be getting the 7900 GS on Monday, I'll make sure to post my results.
     
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post #9 of 10
Thread Starter 
Okay so I'm getting the GS tommorow and I'll use those patched 301.42 drivers that allow different cards (different but with similar cores) do sli.

I'll let you all know how it goes tommorow.
     
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post #10 of 10
Thread Starter 
Okay so I finally got the card and got everything set up.\

I ended up going into riva tuner and setting the GS's PCI ID to a GT and checking the use rom strap box or whatever its called. Then I went into the nvidia control panel and activated sli all nice and good.

I also overclocked the GS up to GT speeds and ran 3Dmark03. The whole time I noticed they had almost identical usage with the GS having just slightly more (2-5% more).

Overall it worked great and was easy to do. This is also officially my first SLI setup smile.gif
     
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Intel 520 Series 120GB SSD WD Caviar Blue SATA II 640GB EK CPUWB & Rad, Temporary XSPC Pump & Res, All ... Windows 7 Home Premium 
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MouseMouse PadAudio
Razer Naga 2014 Steelseries QCK Kenwood KA-5500 Reciever & (Temporary) ATH-M30X's 
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Intel Atom D525 2C/4T 1.8Ghz SuperMicro X7SPE-HF-D525 Integrated - Not Used 2x 2GB DDR3 Sodimms 
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