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1080 will only run at x8?

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TUCC1
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2016/06/12 15:27:48 (permalink)
I have just build my first pc and everything seems ok but I can only get my 1080 to run at x8? I only have the one card so it should be running at x16 I don't know where I'm going wrong plz help?

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    XrayMan
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    Re: 1080 will only run at x8? 2016/06/12 15:29:37 (permalink)
     
    What is the Motherboard? Which PCI-E slot is it in? How many graphics cards are you using?

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 15:30:35 (permalink)
    asus deluxe ii
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    bcavnaugh
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    Re: 1080 will only run at x8? 2016/06/12 15:36:04 (permalink)
    Is your card in slot 1 the slot next to the CPU? Reset your MB Bios and I would also make sure you have the current Bios installed.
    I also see that the PhysX Driver is NOT installed, you should remove all NVIDIA Drivers and reboot your PC and then Install the Driver and PhysX Driver and re-check. Any other PCIe Cards installed?
    post edited by bcavnaugh - 2016/07/12 17:56:58

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    XrayMan
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    Re: 1080 will only run at x8? 2016/06/12 15:36:18 (permalink)
     
    Is your Bios up to date? Go into the Bios and see if there's an option to change it from PCI-e 2.0 to 3.0. Also make sure your Motherboard supports a card that's 3.0. Also try it in another PCI-e slot to see if that fixes it.
     
     
    Is this your Motherboard?   https://www.asus.com/us/Motherboards/X99-DELUXE-II/specifications/

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    trek554
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    Re: 1080 will only run at x8? 2016/06/12 15:36:48 (permalink)
    is that with the card at idle? if so then that is normal. put it under some load and see if it goes to 3.0. 

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 15:41:45 (permalink)
    I have the latest bios updated and have changed the option from auto to gen 3, tried it in a different slot and its still the same. On gpu-z it does go to 3.0 but at x8 not x16
     
    Yes that the board
    post edited by TUCC1 - 2016/06/12 15:47:07
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    trek554
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    Re: 1080 will only run at x8? 2016/06/12 15:53:02 (permalink)
    yeah I was thinking of it wrong. mine says x16 1.1 when idle and then x16 3.0 with any 3D load. 
     
    do you have anything else that could be using pcie lanes? 

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 16:01:24 (permalink)
    ye I noticed that PhysX was not ticked I will try uninstall the drivers.
    I have an 950 pro m.2 that uses x4 pci-e but I don't think that should be a problem with the graphics card in slot 1 
     
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    bcavnaugh
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    Re: 1080 will only run at x8? 2016/06/12 16:05:15 (permalink)
    What CPU do you have?

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 16:08:31 (permalink)
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    HeavyHemi
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    Re: 1080 will only run at x8? 2016/06/12 16:17:19 (permalink)
    TUCC1
    I have just build my first pc and everything seems ok but I can only get my 1080 to run at x8? I only have the one card so it should be running at x16 I don't know where I'm going wrong plz help?


    Also...if you click on the ? in GPU-Z , it will open up a rendering program that will load the GPU enough to show your correct PCIe link speed.
    post edited by HeavyHemi - 2016/06/12 16:19:54

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    VeRsUaL
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    Re: 1080 will only run at x8? 2016/06/12 16:30:44 (permalink)
    Hi TUCC1
     
    Go in Bios Advanced->System Agent Configuration->NB PCIe Configuration look for PCIEx16_1/2 Link Speed [Auto]
    change  Auto to Gen3 save changes and exit.  Boot up and see if it's now running in  PCIE 3.0 x16.
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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 16:47:39 (permalink)
    When I click the render test all that changes is the 1.1 turns to 3.0
    changed the Pciex16_1 from auto to gen 3 and no change
    Says linked at x8
     
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    VeRsUaL
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    Re: 1080 will only run at x8? 2016/06/12 16:49:45 (permalink)
    Ok try this
    Watch this video and do like it says.
    https://www.youtube.com/watch?v=gzGSqsidL30
     
    If that doesn't work let me know. We will start troubleshooting the problem.
     
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    ipkha
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    Re: 1080 will only run at x8? 2016/06/12 17:07:23 (permalink)
    It actually looks good the way it is now.  My motherboard shows something similar.
    At Idle it claims PCI-E 3.0 x 16 @ x16 1.1
    It jumps to PCI-E 3.0 x 16 @ x16 3.0 under load.
    I think it is a power saving or TDP saving optimization built into the CPU.
    Try running the load test and see what happens.


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    trek554
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    Re: 1080 will only run at x8? 2016/06/12 17:09:09 (permalink)
    ipkha
    It actually looks good the way it is now.  My motherboard shows something similar.
    At Idle it claims PCI-E 3.0 x 16 @ x16 1.1
    It jumps to PCI-E 3.0 x 16 @ x16 3.0 under load.
    I think it is a power saving or TDP saving optimization built into the CPU.
    Try running the load test and see what happens.


    this was already discussed. it only goes to x8 under load he said. 

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    Sajin
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    Re: 1080 will only run at x8? 2016/06/12 17:12:00 (permalink)
    #1 Try reflashing the vbios on the card. Contact evga via phone and explain to them that you need to reflash your card and they should be able to help you out.
    #2 Check your processor to make sure it's functioning correctly. You can do that by running the intel processor diagnostic tool listed here. Make sure your cpu is running at default clock speeds when running the diagnostic tool.
    #3 Try testing the card in another machine to see if the card continues to get stuck at x8 speed. RMA the card if it does continue to get stuck at x8 speed while running in another computer.
     

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 17:16:04 (permalink)
    thanks for the video but that's to change it to gen 3 isn't it? I'm already running gen 3, I think it made me find something weird tho. Nvidia control panel says x16 under bus is that what its running at or what it can run at? where has the attach icon gone can only insert pic through url?
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    Sajin
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    Re: 1080 will only run at x8? 2016/06/12 17:18:59 (permalink)
    TUCC1
    thanks for the video but that's to change it to gen 3 isn't it? I'm already running gen 3, I think it made me find something weird tho. Nvidia control panel says x16 under bus is that what its running at or what it can run at? where has the attach icon gone can only insert pic through url?


    It's what it can run at. Just upload your pics to imgur.com and post a link. Put spaces in your link to make your link show up on the forum as you don't have enough posts to properly post links yet.

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    VeRsUaL
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    Re: 1080 will only run at x8? 2016/06/12 17:44:18 (permalink)
    Try this go in your nvidia control panel. click Manage 3D Settings. Under Global Settings look for power management mode.
    Change it to Prefer Maximum Performance and apply changes. Do a search for power options Click on it.  If your on Balance Performance click show additional plans. Choose  High Performance . Restart your pc see if your 1080 gtx is at pcie 3.0 x16 now.
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    ShadedTear
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    Re: 1080 will only run at x8? 2016/06/12 17:53:47 (permalink)
    I know it's obvious but have you tried re-seating the card? I had that issue once with my 780TI and re-seating it got it to show up properly.

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 18:28:14 (permalink)
    tried the power settings and no change
    tried the card in other slots and its the same
    reinstalled windows didn't change it
    other than try the card on a different board(which I can't cuz I don't have 1)I don't know what to do 
     
    Thanks for the help guys
     
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    VeRsUaL
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    Re: 1080 will only run at x8? 2016/06/12 18:31:45 (permalink)
    Do you have stereoscopic enabled in nvida control panel? If you do it takes about 20 or 30 fps off. Make sure it's disabled.
    Get the newest chipset for your motherboard. Download Intel® Driver Update Utility here http://www.intel.com/content/www/us/en/support/detect.html?iid=dc_iduu install it and run it. If it finds any new updates for the chipset download it and install it.
    post edited by VeRsUaL - 2016/06/12 18:39:20
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    XrayMan
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    Re: 1080 will only run at x8? 2016/06/12 18:34:36 (permalink)
     
    I would suggest now that you call Asus support with you're Asus Motherboard. Maybe at this point we can assume that you're Motherboard is defective. Maybe there's a setting in Bios or something that we don't know about.

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    D-007
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    Re: 1080 will only run at x8? 2016/06/12 18:41:55 (permalink)
    Ye, I'd call this a bios setting all day..

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    TUCC1
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    Re: 1080 will only run at x8? 2016/06/12 18:43:58 (permalink)
    Ye i will call them, they'll just tell me to try a different card tho I bet. I was on the live chat support the other night, what a joke that is. That's why I tried here
    Thanks guys
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    XrayMan
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    Re: 1080 will only run at x8? 2016/06/12 18:53:26 (permalink)
    TUCC1
    Ye i will call them, they'll just tell me to try a different card tho I bet. I was on the live chat support the other night, what a joke that is. That's why I tried here
    Thanks guys




    I heard Asus support is bad. Hopefully your next Motherboard will be an Evga board.       =)

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    The_Ether_Bunny
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    Re: 1080 will only run at x8? 2016/06/12 19:01:39 (permalink)
    XrayManI heard Asus support is bad.

     
    I have only used ASUS support once but it was great. Walked me through troubleshooting then gave me an RMA after all steps didn't get the board working. 
     
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    XrayMan
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    Re: 1080 will only run at x8? 2016/06/12 19:03:08 (permalink)
    The_Ether_Bunny
    XrayManI heard Asus support is bad.

     
    I have only used ASUS support once but it was great. Walked me through troubleshooting then gave me an RMA after all steps didn't get the board working. 
     




    Glad you're experience was a good one.       

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