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[VC] No PCI-Express 3.0 Support For GTX 680 - Page 7

post #61 of 100
Quote:
Originally Posted by Pillz Here View Post

Sorry to revive an old thread, but my 680 is only running @ 2.0 x16 on my ASRock Z68 Extreme4 Gen3. I thought this was only an issue with X79 boards?

Even if your board has PCI 3.0 lanes it has to have an Ivy bridge cpu in it to be used at PCI 3.0 otherwise Sandy bridge uses 2.0
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post #62 of 100
2.0 vs 3.0 makes no difference as of yet. Article is wrong, nvidia already fixed this, and even if it was accurate, it wouldnt matter.
    
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post #63 of 100
As graphics cards and RAID/HBA cards get faster, the more PCIe 2.0 will become a bottleneck.
Quote:
Originally Posted by Pillz Here View Post

Sorry to revive an old thread, but my 680 is only running @ 2.0 x16 on my ASRock Z68 Extreme4 Gen3. I thought this was only an issue with X79 boards?

Did you install the latest driver (maybe beta)? I recall PCIe 3.0 was limited by driver to PCIe 2.0.
Edited by Riou - 4/2/12 at 6:31pm
post #64 of 100
Quote:
Originally Posted by Kirby1 View Post

2.0 vs 3.0 makes no difference as of yet. Article is wrong, nvidia already fixed this, and even if it was accurate, it wouldnt matter.

Didn't fix it for me.
Quote:
Originally Posted by Riou View Post

As graphics cards and RAID/HBA cards get faster, the more PCIe 2.0 will become a bottleneck.
Did you install the latest driver (maybe beta)? I recall PCIe 3.0 was limited by driver to PCIe 2.0.

Yeah I'm using the latest drivers as far as I know, 301.10's.
post #65 of 100
@Pillz Here

PCIe 3.0 is only available to Ivy Bridge. Your 2600K is running at PCIe 2.0 only. You need 3770K to enable PCIe 3.0.
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post #66 of 100
Got it, thanks.
post #67 of 100
Quote:
Originally Posted by Kirby1 View Post

2.0 vs 3.0 makes no difference as of yet. Article is wrong, nvidia already fixed this, and even if it was accurate, it wouldnt matter.

Maybe if you are talking about x16 only, the difference is almost non existence.
But in SLI, X8 2.0 vs X8 3.0, it does makes a difference.
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post #68 of 100
Looks bad, but realistically, it means nothing. Even the 6990 and 7970 don't see any sort of noticeable performance hit on x8 pcie 2.0
post #69 of 100
i'm 8x / 8x on my 7970s and not seeing any difference from when i had just one 7970 at 16x

though i've read 5-10% increase with 7970s on 3.0

AMD drivers sucks wingwang
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post #70 of 100
I don't see what the big deal is?

pcie2.0 @ 8x cannot bottleneck a single card so why the hell would a single pcie2.0 @ 16x even be thought of as possibly bottlenecking a single card?

Sure, it is nice to use pcie3.0 because you paid for it, but other than the fact that you paid for it, there is no reason to use pcie3.0, it makes ZERO difference performance wise.
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Overclock.net › Forums › Industry News › Hardware News › [VC] No PCI-Express 3.0 Support For GTX 680