jbgrobler
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/15 08:20:40
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I only noticed it today. Anyway, it is there in black and white, so protecting nVidia from any issues regarding PCIe 3.0 on the X79 platform.
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Johnny_Utah
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/15 12:00:55
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mwparrish
jbgrobler
nVidia has officially updated the specifications of the GTX 680:
"*GeForce GTX 680 supports PCI Express 3.0. The Intel X79/SNB-E PCI Express 2.0 platform is only currently supported up to 5GT/s (PCIE 2.0) bus speeds even though some motherboard manufacturers have enabled higher 8GT/s speeds."
See the footnotes at the bottom, here:
http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-680/specifications
Those specs have been there since the release of the GTX 680 when the reviewers noted this issue.
It's so silly, they make it sound like it has nothing to do with their product. OR that certain motherboards can run this while others can't. Not the REAL reason that Nvidia didn't get their drivers certified to run on X79/2011 platforms. AMD managed to do this and released 3 months earlier. Lame.
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mwparrish
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/15 13:12:49
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Johnny_Utah
mwparrish
jbgrobler
nVidia has officially updated the specifications of the GTX 680:
"*GeForce GTX 680 supports PCI Express 3.0. The Intel X79/SNB-E PCI Express 2.0 platform is only currently supported up to 5GT/s (PCIE 2.0) bus speeds even though some motherboard manufacturers have enabled higher 8GT/s speeds."
See the footnotes at the bottom, here:
http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-680/specifications
Those specs have been there since the release of the GTX 680 when the reviewers noted this issue.
It's so silly, they make it sound like it has nothing to do with their product. OR that certain motherboards can run this while others can't. Not the REAL reason that Nvidia didn't get their drivers certified to run on X79/2011 platforms. AMD managed to do this and released 3 months earlier. Lame.
I don't think the reason is at all technical or about certification. I think it's a legal matter with PCI SIG and saying it's PCIE 3.0 on X79 which isn't PCI SIG certified even though we all know it works and works great. Blah, lawyers.
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TChittenden II
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/18 10:11:12
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cyanide7
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/18 10:19:50
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great guide! thanks for the share
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Hopper64
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 06:10:22
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Thanks for this guide. Very helpful. I just noticed this link today, and I wonder if this little .exe does the same thing?? Thanks.
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Hopper64
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 06:12:25
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Oh, the post is over at nvidia forums. Admin here won't let me post it due to low post number. Sorry. It is a little exe that provides for 3.0 spec for capable boards.
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snclawson
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 10:46:54
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Intel is just playing it safe. When the chips were being developed the standard wasn't quite finished and there were no cards out to validate them with in any case, which is why they're not claiming PCI-E 3.0 support. So officially they only support PCI-E 2.0, but the chips are fully capable of PCI-E 3.0.
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jbgrobler
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 11:24:13
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This was posted yesterday at the nVidia forums: http://forums.nvidia.com/index.php?showtopic=232153 They have been testing existing X79 motherboards and found too many signal timing issues, so no official PCIe 3.0 support for the X79 platform for the foreseeable future.
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Hopper64
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 16:43:59
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Yes, that's it. Thanks. Just wondering if that .exe does the same thing.
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manojks
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/20 19:42:13
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The .exe file works great.
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clone
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Re:How to enable PCI-E 3.0 in Windows 7
2012/06/21 02:28:50
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When i installed my new build it said i was running PCIE 3.0 already is this correct? not done any mods to windows 7. 
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bloompcs
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Re:How to enable PCI-E 3.0 in Windows 7
2012/07/04 12:19:57
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thank you patch!
post edited by bloompcs - 2012/07/04 13:36:59
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comrade
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Re:How to enable PCI-E 3.0 in Windows 7
2012/07/04 19:09:38
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Well..., I've tried the BIOS mod, I've tried the patch..., and I've tried just about every combination of settings in the BIOS that I can, but no matter what I try, I cannot get PCIE 3 to run stable at all. I can get it to boot into Windows after many attempts, and CPU-Z will show PCIE 3, but whatever benchmark or game I try, it runs at a snails pace or I get a BSOD after a short time, or it freezes and I have to shut it off and reboot.
I've got the setup listed in my signature and I've RMA'd my MB once and it's running BIOS 37, but just no luck at all with PCIE 3.
Also..., no luck with the USB 3 ports. They just will not work, no matter what.
My setup is perfectly stable with PCIE 2 and everything set at AUTO including the memory set on AUTO, which runs it at 1333 mhz, but I just have to say that at this point, I'm rather disappointed. I'm stuck with just the two USB 2 plugs on the back and I have to run over $1000 worth of PCIE 3 video cards at PCIE 2 speeds.
I see others have been able to get USB 3 and PCIE 3 to work, but I can't.
So..., what do I do? Ask for another RMA and hope the next replacement will work, or wait for a BIOS update that might or might not work?
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pharma57
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Re:How to enable PCI-E 3.0 in Windows 7
2012/08/17 09:25:05
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I do not have any problems using the pcie 3.0 hack in non-sli driver mode. If I enable sli in the nvidia driver that's when the freezing starts when benchmarking, and the solution is to make the bios change for the second pcie card slot to run at GEN 2. Run hack executable, reboot for it to take effect, for sli setups may or may not need to make bios change. Once in Windows run latest GPU-Z. For me with with both card slots set at GEN 3 the primary GPU-Z screen shows both cards are running at pcie 3.0, and performing the test will show both are indeed pcie 3.0 (though benchmarking & playing games may result in freezes). When I make the bios change (for sli setup) the main GPU-Z screen shows the cards are running at pcie 2.0, but when you run the test it shows one is running at pcie 3.0 and the other at pcie 2.0 - can benchmark and play games normally. Note: Newest Nvidia beta driver allows more time gaming/benchmarking before freezes occur (3DMark11 score of 17957 w/pcie 3.0 hack and GEN 3 for both slots), so there is hope I'll be able to run both pcie slots at GEN 3.  But for now I'll use the pcie 3.0 hack and make a change in my bios so one card slot is running at pcie 3.0 and the other card slot at pcie 2.0 -- 3DMark11 score is basically the same as above.
post edited by pharma57 - 2012/08/17 09:29:55
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comrade
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Re:How to enable PCI-E 3.0 in Windows 7
2012/08/19 06:45:33
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jbgrobler
This was posted yesterday at the nVidia forums:
http://forums.nvidia.com/index.php?showtopic=232153
They have been testing existing X79 motherboards and found too many signal timing issues, so no official PCIe 3.0 support for the X79 platform for the foreseeable future.
As of today, Aug. 19'th, the Nvidia forums have been down for two months. It appears they just don't want to hear any more criticism or see any discussion of their failure of their 'flag-ship' X79 chipset!
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jefkohjax
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Re:How to enable PCI-E 3.0 in Windows 7
2012/09/11 21:32:03
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Very informative post guys, look forward to using info when I get my rig together. Thanks again for all the great info. ;)
post edited by EVGAJKohl - 2012/09/11 21:35:04
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dustingg
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Re:How to enable PCI-E 3.0 in Windows 7
2012/09/18 12:29:27
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Same here brother! Sucks to BS'd into new tech that doesn't work!
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flagstang
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Re:How to enable PCI-E 3.0 in Windows 7
2012/10/25 12:54:22
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I haven't read the whole thread so this might have been answered. Look at this screenshot: http://i.imgur.com/GbUyU.jpg How is that possible? What are my cards really running at?
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dustingg
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Re:How to enable PCI-E 3.0 in Windows 7
2012/10/25 13:10:57
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flagstang
I haven't read the whole thread so this might have been answered. Look at this screenshot: http://i.imgur.com/GbUyU.jpg
How is that possible? What are my cards really running at?
Thats in idle mode. run the full screen stress test. the button is right next to where it shows the port speed.
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coolmantrevor
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Re:How to enable PCI-E 3.0 in Windows 7
2012/10/29 06:16:46
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Hmm, I'll be using the i7 3820 and EVGA X79 FTW board as well as a GTX680 Sig2 2GB SC card. Seems this 3.0 PCIe hack is more work than just a setting to choose from the BIOS to keep on AUTO..
Most inexperienced people may have difficulties!
PCIE bifurcation from GEN2 to GEN3 in the IOH submenu.
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suddenstop
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/04 05:39:06
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Anyone know the correct option to disable Gen3? I'm unstable in gen 3 and can't disable in bios (asrock pro4). I want to just go Gen2...
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manojks
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/04 05:51:05
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I use the -revert on the enable gen3 pcie application.
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dustingg
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/04 07:59:07
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suddenstop
Anyone know the correct option to disable Gen3? I'm unstable in gen 3 and can't disable in bios (asrock pro4). I want to just go Gen2...
Just reinstall your video drivers. It will set it back to gen2. make sure you have the bios set for gen2. that or go get a 690 and you can run gen3 all day long.
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mellowfluff
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/11 07:15:13
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All I know is that if Intel doesn't fuse Ivy Bridge-E heatspreaders properly, all this talk about PCI-E 3.0 support is going to be moot.
Motherboard OEM's can claim PCI-E 3.0 support all night long, but if you have a SB-E i7, then all you're going to have is full support for PCI-E 2.0, that's it until IB-E is released sometime next year. All you'll have to do then is a cpu swap and a UEFI flash and then and only then will you have PCI-E 3.0. That is, if your motherboard already supports PCI-E 3.0, but to my knowledge all LGA2011 motherboards already do. .. but someone somewhere forgot that starting with SB-E for LGA2011 the PCI-E controller is on the cpu die. This little software hack just makes Windows 7 report that it's running on PCI-E 3.0 even though the cpu can't support it at this time. I just tried it on my system and my graphics card temps just jumped up between 10-15C. Sandy Bridge-E only support PCI-E 2.0 and we'll have to wait for Ivy Bridge-E.
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dustingg
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/11 08:05:12
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mellowfluff
All I know is that if Intel doesn't fuse Ivy Bridge-E heatspreaders properly, all this talk about PCI-E 3.0 support is going to be moot.
Motherboard OEM's can claim PCI-E 3.0 support all night long, but if you have a SB-E i7, then all you're going to have is full support for PCI-E 2.0, that's it until IB-E is released sometime next year. All you'll have to do then is a cpu swap and a UEFI flash and then and only then will you have PCI-E 3.0. That is, if your motherboard already supports PCI-E 3.0, but to my knowledge all LGA2011 motherboards already do. .. but someone somewhere forgot that starting with SB-E for LGA2011 the PCI-E controller is on the cpu die. This little software hack just makes Windows 7 report that it's running on PCI-E 3.0 even though the cpu can't support it at this time. I just tried it on my system and my graphics card temps just jumped up between 10-15C. Sandy Bridge-E only support PCI-E 2.0 and we'll have to wait for Ivy Bridge-E.
hey man, I just need to correct you so you don't sound ignorant. http://gpuz.techpowerup.com/12/11/11/cx3.png  I know some people have an issue with the 680 on certain sandy-e motherboards but the processor it self does infact support gen3... I wasn't able to run my 680 @gen3 but I sure as hell am running my 690 at gen3 all day long without a hickup.
post edited by dustingg - 2012/11/11 08:19:46
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fbsrkc06
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/11 10:13:48
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ı try and write here.
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mellowfluff
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Re:How to enable PCI-E 3.0 in Windows 7
2012/11/11 11:13:15
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dustingg
mellowfluff
All I know is that if Intel doesn't fuse Ivy Bridge-E heatspreaders properly, all this talk about PCI-E 3.0 support is going to be moot.
Motherboard OEM's can claim PCI-E 3.0 support all night long, but if you have a SB-E i7, then all you're going to have is full support for PCI-E 2.0, that's it until IB-E is released sometime next year. All you'll have to do then is a cpu swap and a UEFI flash and then and only then will you have PCI-E 3.0. That is, if your motherboard already supports PCI-E 3.0, but to my knowledge all LGA2011 motherboards already do. .. but someone somewhere forgot that starting with SB-E for LGA2011 the PCI-E controller is on the cpu die. This little software hack just makes Windows 7 report that it's running on PCI-E 3.0 even though the cpu can't support it at this time. I just tried it on my system and my graphics card temps just jumped up between 10-15C. Sandy Bridge-E only support PCI-E 2.0 and we'll have to wait for Ivy Bridge-E.
hey man,
I just need to correct you so you don't sound ignorant.
http://gpuz.techpowerup.com/12/11/11/cx3.png
I know some people have an issue with the 680 on certain sandy-e motherboards but the processor it self does infact support gen3... I wasn't able to run my 680 @gen3 but I sure as hell am running my 690 at gen3 all day long without a hickup.
Ok, so it can work. It hasn't worked for me and I'm not going to spend ~1000$ for a GTX690 to get it to work. As far as my LGA2011 system in concerned, I plan on upgrading to IB-E whenever it's available. I still don't think forcing PCI-E 3.0 is a good idea going forward, when you consider my GTX680 temps jumped up as much as they did. I'd just rather wait for official support. No point in breaking something that's not broke. Single monitor usage @ 1080p on a GTX680 in most cases probably wouldn't use more then 2Gb's vram anyways. Now if you're running a single 4GB GTX680 @ 5760x1080 then yes forcing PCI-E 3.0 might get you some performance improvements. Either way, why not wait for official support anyhow? Not going to upgrade to IB-E?
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flagstang
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Re:How to enable PCI-E 3.0 in Windows 7
2013/03/08 12:40:41
(permalink)
This works fine for me. At least it says 3.0 in GPU-Z but can I rely on that?
Anyway, I want to make a .bat file that automatically adds these edits and then reboots the computer, but I don't have the knowledge or courage to make one my self. Does anyone know anything about this and hopefully post a solution?
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dipdippotatochip 
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Re:How to enable PCI-E 3.0 in Windows 7
2013/03/08 13:55:26
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flagstang
This works fine for me. At least it says 3.0 in GPU-Z but can I rely on that?
Anyway, I want to make a .bat file that automatically adds these edits and then reboots the computer, but I don't have the knowledge or courage to make one my self. Does anyone know anything about this and hopefully post a solution?
Why reopen a dead thread?
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