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hey all just got my 780

post #1 of 14
Thread Starter 
just got my PNY 780 so happy lol, anyways all installed and in GPU-z reads only as 2.0 not 3.0 i have the sabertooth z77 its a 3.0 board, i tried going to the settings set it to gen 2 on the card in bios, not sure what else i can do.

when i hit the render test it says pci 2.0 wrd anyone can help me out thank you all
post #2 of 14
Do you have an Ivy Bridge CPU? Because Sandy Bridge CPUs (even if installed on Z77 boards) don't support PCI-E 3. Have you tried flashing the BIOS to the latest available? Can you try setting the PCI-E port to Auto or Gen3 in the BIOS? Setting it to gen2 would make it run at PCI-E 2.0 so I'm not sure why you tried doing that.
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post #3 of 14
What's your CPU?
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post #4 of 14
Thread Starter 
i have a 2700k i guess it dont do 3.0 is that right? sandy really i thought it was pretty damn new thats werd
post #5 of 14
Thread Starter 
whats werd is before this i had 7970 in cf and they ran at 3.0 thats what the gpuz read it
post #6 of 14
I can't explain your earlier GPU-Z behavior, but that Sandy Bridge chip doesn't have a PCIe 3.0 controller. That was first introduced in the Ivy Bridge i5 and i7 chips.
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post #7 of 14
Thread Starter 
thanks guys ya its werd. i could swear that it ran at 3.0 and i do have the latest MOBO bios as well thats just werd thank you, very happy with my 780 almost as good as mine 7970 cf setup earlier
post #8 of 14
Quote:
Originally Posted by Vertoxic View Post

thanks guys ya its werd. i could swear that it ran at 3.0 and i do have the latest MOBO bios as well thats just werd thank you, very happy with my 780 almost as good as mine 7970 cf setup earlier

Glad to help. For what it's worth, running at PCIe 2.0 x16 isn't a bottleneck even with a 780 so you shouldn't worry.
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by svenge View Post

Glad to help. For what it's worth, running at PCIe 2.0 x16 isn't a bottleneck even with a 780 so you shouldn't worry.
good to know, thx again and also well if i get a second 780 near future will i loosing any performance
post #10 of 14
Quote:
Originally Posted by Vertoxic View Post

good to know, thx again and also well if i get a second 780 near future will i loosing any performance

No you should be getting more. Even at PCIe 2.0 x8 (for SLI usually) it is still enough for the 780 to get the job done.
    
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