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Helpful ReplyWHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!!

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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:30:29 (permalink)
Sajin
bcavnaugh
Sajin
 
When the OP says slot 3 he actually means slot 4.
 
jblanc03
SuperConker
Didn't know you had 3 of them hehe.
 
Are they installed in the red slots? there is one black PCI-E slot on your motherboard, and that slot will run at 2.0.
The red ones should all be 3.0.


wow of course.  come on man lol




So does the OP have 2 Cards or 3 Cards?


3


Then he will get X16 X8 X16 in Slots 1 2 & 4(3)
 
 
post edited by bcavnaugh - 2015/05/13 21:33:20

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#31
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:31:57 (permalink)
No desktop CPU's are currently able to run 3 (or even 4) cards at full 16x on all of them, as there isn't enough PCI-E lanes in the CPU.
 
You can run up to 2 cards at 16x, but the 3rd card will only run at 8x, this is normal.
And since it's PCI'E 3.0 at 8x, you won't lose any speed at all.


#32
bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:35:28 (permalink)
Anyone know what CPU the OP has Installed and the Amount of Memory?

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jblanc03
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:35:53 (permalink)
<p>
Sajin</p> <p>
jblanc03</p> <p>OK! &nbsp;i was able to get it to show PCIE 3.0 on both PCIE LANES!! by using&nbsp;force-enable-gen3.exe</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>but now i have another problem:mad:</p> <p>My motherboard is Rampage IV extreme. This motherboard allows me to turn off PCIE lanes with a conveniant little switch box right near the CPU. I have only 2 PCIE lanes Turned on. PCIE 3.0 1st Slot</p> <p>16X/Running at 16X AND PCIE 3.0 3rd Slot 16X/8X running at 8X!!!!!!!?????</p> <p>&nbsp;</p> <p>Since i am trouble shooting this issue, i turned off all lanes except PCIE Lane 3</p> <p>Look at what GPUZ and Nvidia Control Panel is showing me is showing:</p> <p> &nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>I know my motherboard trust me! i know i have both my cards in the right PCIE lane for 16.0 FOR BOTH but for some reason my 3rd PCIE Lane is showing me that the card is running at 8.0!!!!</p> <p>I know i have my motherboard bios setup correctly too.</p> <p>I have also tried turning off all lanes except lane 2 &amp; 3 and booting up and it still shows the card @ 8X on LANE 3! in both my MB bios and GPUZ.</p> <p>Why is this happening?</p> <p>should'nt both cards run at 16X??????</p> <p>Any thoughts?</p> <p>
<br />This is normal. The board still sees your 3 TitanX's even though you have the lanes disabled. With three GPU's installed your board runs the lanes at 16/8/16.&nbsp;</p> <p><br />
<br /><br /></p> <p>&nbsp;</p> <p>so if i physically remove the middle card from the slot, will it show 16x on both slot 1 and slot 3?</p> <p>you think that is whats causing it to show 8x?</p> <p>&nbsp;</p> <p>and i dont see in Nvidia Control Panel/System information where you see that it is detecting 3 cards. &nbsp;where is it?</p> <p>&nbsp;</p> <p>&nbsp;</p>
 
i
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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:39:16 (permalink)
Found the CPU a i7-3960x
Going with 3 Titan X I would have updated the CPU to a FULL GEN3 CPU like the i7-4960X or even the i7-4930K for Ture GEN3 that is.
post edited by bcavnaugh - 2015/06/10 20:32:49

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#35
Sajin
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:39:59 (permalink)
bcavnaugh
Anyone know what CPU the OP has Installed and the Amount of Memory?


http://forums.evga.com/FindPost/2333097


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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 21:45:49 (permalink)
Sajin
bcavnaugh
Anyone know what CPU the OP has Installed and the Amount of Memory?


http://forums.evga.com/FindPost/2333097


How many Posts are their, like we all know or remember that post.
The OP need to put this in his Signature and Comment
CPU i73960x 4.5ghz
RAM: 32GB Corsair Dominator GT 2133mhz
GPU 3way Titan X SC SLI
post edited by bcavnaugh - 2015/05/13 22:15:13

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#37
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:01:53 (permalink)
This linked article is from 2013 but might help to explain why not being able to run 3 cards at x16 might not be a bottleneck to performance, bearing in mind that the new GTX TITAN X is a lot faster than the tested GTX TITAN (Kepler).

https://www.pugetsystems....aming-Performance-518/
 
Another more recent October 2014 article examining bandwidth limitations of a single GTX 980 running in x4, x8, and x16 slots, and PCI-Express 1.1, 2.0, and 3.0 and its effect on gaming performance.
 
https://www.techpowerup.c...0_PCI-Express_Scaling/

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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:15:54 (permalink)
Wingless Wonder
This linked article is from 2013 but might help to explain why not being able to run 3 cards at x16 might not be a bottleneck to performance, bearing in mind that the new GTX TITAN X is a lot faster than the tested GTX TITAN (Kepler).

https://www.pugetsystems....aming-Performance-518/
 
Another more recent October 2014 article examining bandwidth limitations of a single GTX 980 running in x4, x8, and x16 slots, and PCI-Express 1.1, 2.0, and 3.0 and its effect on gaming performance.
 
https://www.techpowerup.c...0_PCI-Express_Scaling/


I run my 3 Titans at X8 Gen3 no big deal for me.

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bg8780
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:45:36 (permalink)
Pretty sure the only board capable of running 3 cards at 16x was the E758 NF200 X58 classy. x16/8/16 is perfectly normal.
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jblanc03
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:45:53 (permalink)
NEVERMIND

i found out what it was.


i have a soundcard on the 4th PCIE slot. Only place it will fit!

when i remove it, both cards are now reporting X16

sorry and thank you for your help!

Now i need to find a special extension cable that will connect the PCIE 1x slot just underneath my 2nd card that will let me connect the other end to my soundcard so i can move it down below my motherboard in one of my empty case slots
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SuperConker
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:50:46 (permalink)
Maybe something like this will help with that http://www.overclock.net/...st/23116093/id/2241763
But one that can be used with an extension cable instead of a PCI-E card, if it excists lol
post edited by SuperConker - 2015/05/13 22:53:45


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jblanc03
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 22:57:38 (permalink)
ive seen somthing like it once.
 
it would be really simple to make i think
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OV3RCLK4
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 23:00:23 (permalink) ☄ Helpfulby XrayMan 2015/05/13 23:13:44
Something like this? 
http://www.ebay.com/itm/l...517?lpid=82&chn=ps
post edited by OV3RCLK4 - 2015/05/13 23:04:37

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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 23:08:47 (permalink)
OV3RCLK4
Something like this? 
http://www.ebay.com/itm/l...517?lpid=82&chn=ps




I just bought it!!!!!!
 
your the man!!!!!
 
nice profile pic btw ! LOL!! that part of the movie makes me crack up every time
#45
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/13 23:26:23 (permalink)
jblanc03
 
I just bought it!!!!!!
 
your the man!!!!!
 
nice profile pic btw ! LOL!! that part of the movie makes me crack up every time




Thanks! 
 

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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 01:21:31 (permalink)
jblanc03
OK!  i was able to get it to show PCIE 3.0 on both PCIE LANES!! by using force-enable-gen3.exe

 
Good, PCIe 3.0 problem solved..I figured that, as I said previous posts.
 
jblanc03
I know my motherboard trust me!

 
"Trust me"..I liked when the Terminator said that
 
Hopefully you know your motherboard/CPU even better now and how the limited number of PCIe lanes are divided up and used and how add-in cards affect them.
 

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#47
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 02:15:22 (permalink)
My motherboard can do full pcie 3.0 x16 in fourway sli or crossfire
http://www.newegg.com/Pro...x?Item=N82E16813157327
I used to have the original Titans in 3way sli on my Rampage and it did the
same thing so i got rid of it and i got the Asrock x79 11 <----sweet motherboard btw
 

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tang0188
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 05:21:02 (permalink)
foxmino
My motherboard can do full pcie 3.0 x16 in fourway sli or crossfire

I used to have the original Titans in 3way sli on my Rampage and it did the
same thing so i got rid of it and i got the Asrock x79 11 <----sweet motherboard btw
 


No, you will still be running at 16/8/16 due to the limitations of your chip at 40 PCIe lanes.
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 05:28:00 (permalink)
jblanc03
NEVERMIND

i found out what it was.


i have a soundcard on the 4th PCIE slot. Only place it will fit!

when i remove it, both cards are now reporting X16

sorry and thank you for your help!

Now i need to find a special extension cable that will connect the PCIE 1x slot just underneath my 2nd card that will let me connect the other end to my soundcard so i can move it down below my motherboard in one of my empty case slots


I didn't see you mention the sound card before. Glad you got it figured out. Sorry for repeating questions, but this shoes why it is incredibly important to start any post with the location of all hardware and hardware type.


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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 06:19:05 (permalink)
tang0188
foxmino
My motherboard can do full pcie 3.0 x16 in fourway sli or crossfire
 
I used to have the original Titans in 3way sli on my Rampage and it did the
same thing so i got rid of it and i got the Asrock x79 11 <----sweet motherboard btw
 


No, you will still be running at 16/8/16 due to the limitations of your chip at 40 PCIe lanes.




The PCIe slots are simple to understand – each slot is designated either a primary slot (1,3,5,7) or a secondary slot (2,4,6).  The primary slots are all x16 routed, via the PLX chips.  The secondary slots are all x8 routed, and when occupied drop the speed of the primary slot underneath to x8 as well.  Here is a crudely drawn chipset diagram to explain:

Primary slots will make the GPU's x16. So you want your Titans on Slot 1,3, 5 & 7.

Sense you also threw a sound card in there that's most likely whats causing havoc. I know on certain boards you can do SLI+sound SLI+Physx or just 3-Way SLI unless sound card is say PCI old school.

X79 from Asrock has 2 PLX Chips to add additional lanes to the PCI to help with SLi 4-way. While YES the CPU is maxed @ 40 lanes, with the 2x PLX Chips it does help bump the lanes for 4-way SLi.

Asrock X79 is a $600 board with the PCI-E lanes distributed to it in two places not just you're basic board with a single 16 lanes like say my i5 4690K. Would need a classified board in order to get or enjoy 3-4way SLi. His board is basically a Classified version for Asrock.




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#51
stalinx20
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 07:11:58 (permalink)
Something that would be worth mentioning, alot of manufacturers put a stamp on their motherboards to show which PCIE slots run at x16, x8 and even x4 to make it easier for the user.
post edited by stalinx20 - 2015/05/14 07:16:05

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#52
Warboy
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 08:41:01 (permalink)
You don't need a riser, I've tested SLI on this motherboard [Rampage IV Extreme] with a soundcard. Slot 1 and 4 for video cards [runs them at full x16] than slot 3 for PCIe soundcard. Slot 3 doesn't affect the other slots since slot 2 and 3 are divided. As long as slot 2 remains open, it will keep Slot 1 and 4 at x16


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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 10:07:10 (permalink)
jblanc03
NEVERMIND

i found out what it was.


i have a soundcard on the 4th PCIE slot. Only place it will fit!

when i remove it, both cards are now reporting X16

sorry and thank you for your help!

Now i need to find a special extension cable that will connect the PCIE 1x slot just underneath my 2nd card that will let me connect the other end to my soundcard so i can move it down below my motherboard in one of my empty case slots


Or use the Audio from the Motherboard. I would with 3 GPUs Installed.

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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 10:10:34 (permalink)
bob16314
jblanc03
OK!  i was able to get it to show PCIE 3.0 on both PCIE LANES!! by using force-enable-gen3.exe

 
Good, PCIe 3.0 problem solved..I figured that, as I said previous posts.
 
jblanc03
I know my motherboard trust me!

 
"Trust me"..I liked when the Terminator said that
 
Hopefully you know your motherboard/CPU even better now and how the limited number of PCIe lanes are divided up and used and how add-in cards affect them.
 


Reading the Manual for his motherboard also would have told him this, at least what PCIe Slots he needs to put the cards in.

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bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 10:11:32 (permalink)
Warboy
You don't need a riser, I've tested SLI on this motherboard [Rampage IV Extreme] with a soundcard. Slot 1 and 4 for video cards [runs them at full x16] than slot 3 for PCIe soundcard. Slot 3 doesn't affect the other slots since slot 2 and 3 are divided. As long as slot 2 remains open, it will keep Slot 1 and 4 at x16


He has 3 GPUs, would this still work?

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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 15:14:56 (permalink)
bcavnaugh
Warboy
You don't need a riser, I've tested SLI on this motherboard [Rampage IV Extreme] with a soundcard. Slot 1 and 4 for video cards [runs them at full x16] than slot 3 for PCIe soundcard. Slot 3 doesn't affect the other slots since slot 2 and 3 are divided. As long as slot 2 remains open, it will keep Slot 1 and 4 at x16


He has 3 GPUs, would this still work?




im sorry but you are mistaken
 
i have my cards in slot 1 and 3 and my soundcard is in Slot 4(I dont Count the black x1 slots, just the red).  thats right hope that makes more sense.
 
so with slot 4 occupied in this configuration the 3rd slot reverts to x8 native.
 
it shows in the motherboard bios.
 
as soon as i removed my soundcard from slot 4, the card in slot 3 shows x16 now.
 
so my plan is to move my soundcard to where it should of gone in the first place which is the black x1 slot just below/after the RED slot 3.
 
does that make more sense?
#57
bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/05/14 17:22:56 (permalink)
jblanc03
bcavnaugh
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You don't need a riser, I've tested SLI on this motherboard [Rampage IV Extreme] with a soundcard. Slot 1 and 4 for video cards [runs them at full x16] than slot 3 for PCIe soundcard. Slot 3 doesn't affect the other slots since slot 2 and 3 are divided. As long as slot 2 remains open, it will keep Slot 1 and 4 at x16


He has 3 GPUs, would this still work?


im sorry but you are mistaken
 
i have my cards in slot 1 and 3 and my soundcard is in Slot 4(I dont Count the black x1 slots, just the red).  thats right hope that makes more sense.
so with slot 4 occupied in this configuration the 3rd slot reverts to x8 native.
it shows in the motherboard bios.
as soon as i removed my soundcard from slot 4, the card in slot 3 shows x16 now.
so my plan is to move my soundcard to where it should of gone in the first place which is the black x1 slot just below/after the RED slot 3.
does that make more sense?


I am Sorry I was mistaken, please accept my apologies.
I was only going by what your Motherboards Manual shows.


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#58
bcavnaugh
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/06/10 08:41:43 (permalink)
GPU-Z shows 3 of my 4 cards as Gen 1.1, do not believe what GPU-Z is showing you.

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jblanc03
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Re: WHY OH WHY IS MY TITAN X CARDS SHOWING UP AS PCIE 2.0! when its a PCIE 3.0 CARD!!!! 2015/06/10 09:18:43 (permalink)
Hey i already got this resolved
 
sorry for getting back to everyone so late.
 
Yes GPU Z will at times show 1.1 when the GPU is not being utilized.  IF you were to fire up a game/application that utilizes the GPUs, those numbers should shoot to 3.0.
 
My issue was i needed to run the .exe file provided by asus or nvidia that fixes the OS registry entries to allow PCIE 3.0 for i73960x cpu's on some motherboards.
 
also i needed to move my Souncard to the PCIE 1x slot using this http://www.ebay.com/itm/l...517?lpid=82&chn=ps
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