Enable PCI-E 3.0 On X79 Boost Massive Frames

[Penal Stingray]

Verifying 3.0 Is enabled via GPU-Z



GTX 680 Quad-Sli on Asus X79 Mobo



PCI-E 2.0 vs 3.0 on Multi Monitor Resulotion Seems like PCI-E 2.0 Is The Bottleneck enabling it to 3.0 Fixes that and unleash full power of X79 Motherboards



Heres the Link if anyone wanna enable PCI-E 3.0 On their X79 Mobo in Default Nvidia Drivers Disable it but u can force it if you want.

Link: https://forums.geforce.com/default/t...ted-6-19-2012/

You can always revert back to pci-e 2.0 by uninstalling the drivers and installing it again.

Edit: Before enabling This Patch Check ur i7 3930k Revision Using GPU-Z if ur cpu has a revision of C1 then your out of luck ur cpu don't support 3.0 flawelessly now if see ur cpu has Revision C2 then ur in luck ur CPU supports 3.0 flawlessly.

[Equinoxe]

Question:

The i7 3930K does not support PCIE-3.0, then how does it work?

I have 3x 680's 4GB myself on a Rampage IV extreme but forcing PCIE-3.0 does not have any effect on my frames per second.

[ReTiCuLe]

Are you using the 301 old drivers or a newer one? I tried this fix with the 314.09 titan driver with a 680 gtx and no dice. It's worked with other drivers though.

[Equinoxe]

Im using 314.07.

Im gonna try it again. did you also force GEN3 in the BIOS?

[Penal Stingray]

you wont notice on 1080p the performance gain is minimal around 5 percent "Kinda Pointless" But its widens the gap at uber high resolution.

Most Mobo's Support 3.0 Gigabyte, Asus, Asrock and Evga just make sure your motherboard states its supports 3.0.

Edit: Make sure YOU RIGHT CLICK THE PCI-E 3.0 Enabler AND RUN IT AS ADMINISTRATOR or else it wont work lol. it took me couple to figure out a simple solution.

[Equinoxe]

Im using 2560x1600 res.

Im gonna try it anyway lol. Ill let you know

EDIT : when i open as administrator it opens a commandprompt for a sec and it closes again. is that correct?

[ReTiCuLe]

I'd love to see if either of you get it working with the 314.09 driver and .07. I'm curious.

[Penal Stingray]

Originally Posted by ReTiCuLe

I'd love to see if either of you get it working with the 314.09 driver and .07. I'm curious.

It works perfectly on 314.09

PCI-E 3.0 Enabled on X79 with driver version 314.07 If X79 Don't Support 3.0 then it would not even show 3.0 on GPU-Z

[Penal Stingray]

Originally Posted by Equinoxe

Im using 2560x1600 res.

Im gonna try it anyway lol. Ill let you know

EDIT : when i open as administrator it opens a commandprompt for a sec and it closes again. is that correct?

yup sounds about right then restart ur pc and check gpu z then boom 3.0 baby lol

[ReTiCuLe]

Penal,

On Planetside 2 w/ the fix the driver would stop responding. In addition to my 5c of temp addition lol. Which games did you try?

[Penal Stingray]

Originally Posted by ReTiCuLe

Penal,

On Planetside 2 w/ the fix the driver would stop responding. In addition to my 5c of temp addition lol. Which games did you try?

Crysis 3, BF3, Secret World, Dead Space 3, Farcry 3, Alien colonial Marines that's about it. I didn't try planet side too though. all those games I tried gained 3-10 fps its not much but im sure at uber high resolution it will widen the gap

[bigcid1]

I'm using 314.09 and I have PCIE 3.0 enabled with the Hack also

[Equinoxe]

Ok, so according to GPU-z im using PCIE-3.0 now.

Ive ran Valley and Heaven 3.0. In valley ive gotten 1fps more than yesterday (68.1fps) but the heaven result is the exact same as before.

[Penal Stingray]

Originally Posted by Equinoxe

Ok, so according to GPU-z im using PCIE-3.0 now.

Ive ran Valley and Heaven 3.0. In valley ive gotten 1fps more than yesterday (68.1fps) but the heaven result is the exact same as before.

The only performance increase difference is when u have multi-monitor set up Those really high resolution which requires a lot of bandwith now for just single monitor you wont notice the performance increase its almost pointless enabling it. but if people just feel better having 3.0 enabled that's works too lol

[Axaion]

Youre forgetting the reason you get that performance gain is because youre running a x16/x8/x8/x8, Ofcourse PCI-E 2.0 x8 limits a GTX 680, thats been known for a very long time.

Someone whos running a single X16 card is not going to get much of anything really. maybe.. 1-2%, which is withing margin of error

[Wanny]

AFAIK my inspector always said I was on 3.0.

[-Tj-]

^
Because you're using IvyBridge cpu with build-in pcie3.0

[mbk1969]

Originally Posted by ReTiCuLe

Penal,

On Planetside 2 w/ the fix the driver would stop responding. In addition to my 5c of temp addition lol. Which games did you try?

Few first revisions of SandyBridge-E demonstrated incorrect PCIE-3 implementation. That`s why NVidia decided to switch to PCIE-2 at the drivers level being installing at X79 mobos.

PS And you can switch it manually (from PCIE-2 to PCIE-3) by adding value 'RMPcieLinkSpeed = [dword]4' under registry key 'HKLM\SYSTEM\CurrentControlSet\Control\Video\your_ adapter_guid\0000'

[Solace50]

Originally Posted by Equinoxe

Question:

The i7 3930K does not support PCIE-3.0, then how does it work?

I have 3x 680's 4GB myself on a Rampage IV extreme but forcing PCIE-3.0 does not have any effect on my frames per second.

anyone else realize that or is it just us two. the boards support PCI 3.0 but i assume thats for the ivy-e releases.

how are you going to take advantage of a technology without the hardware capable of being compatible with the device. odds are it just rolls back to 2.0 even if enabled and your getting some placebo effect.

[obiwan07]

3930K http://ark.intel.com/products/63697#...pansionoptions

3960X http://ark.intel.com/products/63696#...pansionoptions

Both CPU's don't support PCI Express 3.0, only 2.0

But it's possible that the op now runs 4x 16x PCIe 2.0 instead of 8x.

[Warboy]

Originally Posted by obiwan07

3930K http://ark.intel.com/products/63697#...pansionoptions

3960X http://ark.intel.com/products/63696#...pansionoptions

Both CPU's don't support PCI Express 3.0, only 2.0

But it's possible that the op now runs 4x 16x PCIe 2.0 instead of 8x.

http://www.xbitlabs.com/articles/cpu...x-3930k_4.html

The PCI Express controller in Sandy Bridge-E has one more distinguishing feature: it supports 8 gigatransfers per second rate, i.e. meets the PCI Express 3.0 specification requirements. However the current Intel processors haven’t been certified yet that is why in most cases PCI Express 3.0 compatibility is not officially stated.

[mbk1969]

Originally Posted by obiwan07

3930K http://ark.intel.com/products/63697#...pansionoptions

3960X http://ark.intel.com/products/63696#...pansionoptions

Both CPU's don't support PCI Express 3.0, only 2.0

But it's possible that the op now runs 4x 16x PCIe 2.0 instead of 8x.

From Geforce.com:

GeForce GTX 680 and GTX 670 GPUs support PCI Express 3.0. They operate properly within the SIG PCI Express Specification and have been validated on multiple PCI Express 3.0 platforms. Some motherboard manufacturers have released an updated SBIOS to enable the Intel X79/SNB-E PCI Express 2.0 platform to run at up to 8GT/s bus speeds. We have tested GeForce GTX 680 and GTX 670 GPUs across a number of X79/SNB-E platforms at 8GT/s bus speeds, but have seen significant variation in signal timing across different motherboards and CPUs. Therefore we’ve decided to only support and guarantee PCI Express 2.0 bus speeds on X79/SNB-E with our standard release drivers.

[Penal Stingray]

Originally Posted by obiwan07

3930K http://ark.intel.com/products/63697#...pansionoptions

3960X http://ark.intel.com/products/63696#...pansionoptions

Both CPU's don't support PCI Express 3.0, only 2.0

But it's possible that the op now runs 4x 16x PCIe 2.0 instead of 8x.

The Old Sandy Bridge E CPU Revision C1 doesn't implement PCI-E 3.0 well it has something to do with the timing Now Intel Released the new i7 3930k Revision C2 this revision Fixes The PCI-E 3.0 Problems. as you can see on this screenshots GPU-Z tells me 3.0 is enabled as well as Nvidia system information "GEN 3". I have ran benches 3d Mark 11, Unigen, Games without single crash or weird stuff going on it runs flawlessly.



EDIT: If you guy's have i7 3930k Revision C1 don't even bother enabling this in your system you will encounter crashes, weird slowdowns, and even texture glitches or corruption as well as the infamous "TDR"

[SSJBillClinton]

Originally Posted by Penal Stingray

EDIT: If you guy's have i7 3930k Revision C1 don't even bother enabling this in your system you will encounter crashes, weird slowdowns, and even texture glitches or corruption as well as the infamous "TDR"

Will I? I have revision C1 and I've had no problems whatsoever.
Been using PCI-E 3.0 for almost a year now.

[Penal Stingray]

Originally Posted by SSJBillClinton

Will I? I have revision C1 and I've had no problems whatsoever.
Been using PCI-E 3.0 for almost a year now.

did you gain any points running on 3dmark 11? or any fps at all on games? cuz the revision c2 handles pci-e 3.0 better than c1 it has bug fixes and all. if it works good then no reason to disable it