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SLI 580 and Z68-UD7-B3 not running x16/x16

Last response: in Graphics & Displays
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June 7, 2011 6:29:05 PM

I have the gigabyte z68-ud7-b3 motherboard which supports x16/x16 sli but i cant seem to get it to run that. I have 2 GTX 580's which are both installed into the correct slots (PCIEX16_1, PCIEX16_2).
Nvidia control panel says: "For optimal 3D performance, plug the GeForce GTX 580 (1) into a high performance PCIe slot."
and the system information in the control panel lists the Bus as PCI Express x8 Gen2 for both of the cards.
When i disable sli mode i still get the same result. I am currently running MB bios F7d. I have tried reseating the cards and doing a clean reinstall of the drivers. I also tried calling gigabyte to see if they could help but i spoke to an idiot asian woman who concluded that the only way to fix it was to flash a newer bios on both my cards.
Any Ideas?
June 14, 2011 3:57:26 PM

Put your cards in slots 1, and 3. Give that a try. Hope it helps..


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June 18, 2011 5:14:23 PM

jbstout9375 said:
Put your cards in slots 1, and 3. Give that a try. Hope it helps..


they are in slots 1 and 3, PCIEX16_1 is the first slot and PCIEX16_2 is the third slot.
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