- Joined
- Jan 24, 2011
- Location
- Zebulon, North Carolina
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You dont...AFAIK. I think that setup picture above is wrong (but functioning apparently). SLI is just as PnP as Crossfire. You just somehow ran in to an issue.
Try it on both connections. I know for ahamstring fact you don't need both.
Yeah GTAIV from what I understand really doesn't do well with a multi-gpu setup (from reading about the various graphics improvement packages (ENB I think they are called)).
So it looks like the card is working, but just not giving you the performance that you are looking for. I would see if you could return the card w/o a 15-20% restocking fee, otherwise may want to give a try at the classies to see if you can put it in between those marks.
Here's some numbers in a thread that I posted a month or so ago, it is mainly for comparison between 1.5 and 3.0 gb cards, but also has SLI numbers.
http://www.overclockers.com/forums/showthread.php?t=684954