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[VC] No PCI-Express 3.0 Support For GTX 680 - Page 8

post #71 of 100
Enough speculation. I have a Surround setup and three GTX 680's at the moment on X79 and I can now switch between PCI-E 2.0 and 3.0 at will. How much do you want to bet the benchmarks will see a performance difference?

Let the games begin... thumb.gif
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post #72 of 100
I'll bet $100 there will be a big difference with your triple 1600p setup and 3-way SLI. I wish AMD would send you out 4 7970s so you can test if 16x8x8x8 3.0 is enough to compensate for transferring frame buffer over PCIe since AMD bridges are limited to 900MB/s in serial.
post #73 of 100
Still PCi-E 1.1@x16 isn't maxed out yet. The only advantage we'll get via PCi-E 3.0 is more power from slot so we don't need more external power. As 680 is less power hungry it doesn't matter anymore.
post #74 of 100
Quote:
Originally Posted by meetajhu View Post

Still PCi-E 1.1@x16 isn't maxed out yet. .

Where are you getting this idea from? You realize x8 2.0 is the same as x16 1.0 right?

Here you go:
pcie-speeds.png
Edited by PoopaScoopa - 4/3/12 at 4:30am
post #75 of 100
Quote:
Originally Posted by meetajhu View Post

Still PCi-E 1.1@x16 isn't maxed out yet. The only advantage we'll get via PCi-E 3.0 is more power from slot so we don't need more external power. As 680 is less power hungry it doesn't matter anymore.

kookoo.gif
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post #76 of 100
Quote:
Originally Posted by meetajhu View Post

Still PCi-E 1.1@x16 isn't maxed out yet. The only advantage we'll get via PCi-E 3.0 is more power from slot so we don't need more external power. As 680 is less power hungry it doesn't matter anymore.

headscratch.gif
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post #77 of 100
Quote:
Originally Posted by meetajhu View Post

Still PCi-E 1.1@x16 isn't maxed out yet. The only advantage we'll get via PCi-E 3.0 is more power from slot so we don't need more external power. As 680 is less power hungry it doesn't matter anymore.

doh.gif
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post #78 of 100
Well I tried the registry fix to try and get my GTX 680's running at PCI-E 3.0 with my X79 MB and in Surround mode Windows fails to boot. So the article was right that there can be issues using that registry key.

So hopefully nVidia properly enables 3.0 or I will have to go back to the launch drivers which I think were 300.83?
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post #79 of 100
Quote:
Originally Posted by CallsignVega View Post

Enough speculation. I have a Surround setup and three GTX 680's at the moment on X79 and I can now switch between PCI-E 2.0 and 3.0 at will. How much do you want to bet the benchmarks will see a performance difference?
Let the games begin... thumb.gif
Quote:
Originally Posted by CallsignVega View Post

Well I tried the registry fix to try and get my GTX 680's running at PCI-E 3.0 with my X79 MB and in Surround mode Windows fails to boot. So the article was right that there can be issues using that registry key.
So hopefully nVidia properly enables 3.0 or I will have to go back to the launch drivers which I think were 300.83?
Did you just fail yourself at your own bet? lachen.gif Sorry, I just find this too funny. This is probably one of the funniest things I have seen in a long time on this forum... lachen.gif

I am looking forward to trying out the GTX680s though thumb.gif
Edited by dejanh - 4/4/12 at 10:37am
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post #80 of 100
Quote:
Originally Posted by dejanh View Post

Did you just fail yourself at your own bet? lachen.gif Sorry, I just find this too funny. This is probably one of the funniest things I have seen in a long time on this forum... lachen.gif
I am looking forward to trying out the GTX680s though thumb.gif

Reading comprehension for the lose, now that is funny. As stated, I just revert to the previous driver and it is working again.
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