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SLI Partner with ASUS DCII 580. - Page 2

post #11 of 12
Quote:
Originally Posted by kyle7412 View Post
as long as the gpu's are the same and it has the same memory size, then you should have no problem with sli, manufacturer doesn't matter!
You do not need them to be the same memory size. I think part of the confusion stems from the fact that you can't SLI a GTX460 768MB with a GTX460 1GB despite the naming conventions; this was because they had different amounts of ROPs and were closer to two different models than the same model with different amounts of memory.

I am 99% certain that the 3GB GTX580s just had higher density memory chips and are architecturally identical to the 1.5GB models. You should be able to SLI them.
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Sandy Bridge-E
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post #12 of 12
Sorry you're having problems motive, but this is why way back when we were picking parts for you I liked the idea of the P8P67 WS revo that someone else recommended (I liked that idea a lot LOL, see my sig rig) or the Asus mobos in general over the UD5 because they have open PCIex1 slots that actually have enough space to be useful, but I suppose that doesn't help if you need PCI not PCIe.

Anyway, on to trying to help with your current issue. First of all I would try and see if you can get whatever you need the PCI open for in a PCIe that will fit in your top slot (unlikely with the tiny space Gigabyte give you but still worth looking) because it would be better to make changes with smaller less important parts of your build if possible, rather than jumping straight into changing GPUs around. If that is not a possibility then I would recommend the Lightning and like others have said you would only want 1.5Gb. I would also try to put the DCII on the top actually because you will find the Lightning to be a little louder than the DCII so if you can put the Lightning on the bottom it will run cooler and quieter than if it were in the top slot.

Sorry that you are going to have to makes changes to your rig, but I'm still looking to see you make a thread in the folding section when you can so we can get you up and folding.
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