GTX 480 SLI option not showing up?

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acodoes
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2010/04/21 13:03:44 (permalink)
Hi,

I have a EVGA X58 Classified 760 mobo and 2x GTX 480 video cards. I have the latest bios for the mobo and drivers for the cards, but for some reason in the nvidia control panel I do not see the option to enable SLI. What could be the problem here?

Thanks!

#1

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    boredgunner
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    Re: GTX 480 SLI option not showing up? 2010/04/21 13:06:28 (permalink)
    Follow this guide for driver re-installation.

    http://forums.evga.comarchive/tm.asp?m=100598109



    #2
    acodoes
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    Re: GTX 480 SLI option not showing up? 2010/04/21 13:15:16 (permalink)
    One thing,  I put this build together with 2 GTX480s in there and installed the OS on it and installed the driver (for the first time) with 2 cards bridged together in the system.  It detects 2 cards, it's only the SLI option that is now showing up.  Should I still reinstall the driver?

    #3
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:08:08 (permalink)
    Same here. Nvidia is pissing me off with these "Fermi" cards and their sub par drivers.
    #4
    cableguy619
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:12:32 (permalink)
    Follow boredgunners link as advised. best way to ensure no driver conflicts.

    If I remember right there was an issue also around the update realtek nic drivers causing issue. If you roll them back or turn them off(if you have a NIC card) this would fix the issue. The thread is a little old but hidden deep in the forums.
     
     
    ALSO make sure both cards are seen in the device manager. If a power connector is loose this can cause it.. double check your connections 1st.....

      
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    #5
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:20:09 (permalink)
    cableguy619

    Follow boredgunners link as advised. best way to ensure no driver conflicts.

    If I remember right there was an issue also around the update realtek nic drivers causing issue. If you roll them back or turn them off(if you have a NIC card) this would fix the issue. The thread is a little old but hidden deep in the forums.
     
     
    ALSO make sure both cards are seen in the device manager. If a power connector is loose this can cause it.. double check your connections 1st.....

    Power connectors are fine. No realtek, it is disable in the bios. Both cards are in the device manager.
    #6
    cableguy619
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:23:16 (permalink)
    Do you have another SLi bridge? That could be faulty
     
    What MOBO as well?

      
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    #7
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:28:55 (permalink)
    EVGA x58 sli. I took the bridge off to see if that works... it did not. You don't need the bridge for sli to work. Neither with it on or off does it work. Somehow the drivers are not giving me the option to sli. The cards are both working fine however. 
    #8
    kpablo
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:34:15 (permalink)
    Are you using the 257.15 driver?

    What options do you see?

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    #9
    cableguy619
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:36:08 (permalink)
    Yes you do need the bridge for SLI to work. How else would it work? If I pull my bridge I no longer have the SLI tab option. From my TRI SLI gtx 280's to my TRI gtx 480's before I sold the Vanilla 480 this has been consistent.

    Have you tried in pci-e slot 2 and 3 trying the DUAL sli and TRi bridges to verify it is not a bridge?

      
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    #10
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:50:53 (permalink)
    kpablo

    Are you using the 257.15 driver?

    What options do you see?

    I've tried both the 257.15's and the 197.75's. Neither are working. I had it working and everything was going fine. Then, randomly with the 257.15's the drivers wouldn't load and I was getting a code 43 in device manager. Now, I get no code, but no option to sli in control panel. I have always had trouble loading sli in control panel since getting two 480's, never with the 260's, but it always comes around after a few reboots... not this time.
    #11
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/27 23:52:09 (permalink)
    cableguy619

    Yes you do need the bridge for SLI to work. How else would it work? If I pull my bridge I no longer have the SLI tab option. From my TRI SLI gtx 280's to my TRI gtx 480's before I sold the Vanilla 480 this has been consistent.

    Have you tried in pci-e slot 2 and 3 trying the DUAL sli and TRi bridges to verify it is not a bridge?

    Call evga and ask them cable guy. I have ran this setup without the bridge and it works fine. As EVGA techs will tell you, it just passes more all the information through the PCIe. 
    #12
    cableguy619
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    Re: GTX 480 SLI option not showing up? 2010/05/28 00:09:46 (permalink)
    No need to call EVGA :) You were right it worked, I just tried it. I am assuming newer feature from the latest drivers? previous versions always left me without the option so pretty neat to even get a message stating sli bridge missing..

    now back to you almost points to a isse at the board not seeing the cards SLI-ed through the board then. Did you try mixing your a card in slot 1 and 3 of your PCIe slots? just to make sure there is not an issue with the 2nd slot?

      
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    #13
    sledgehammer70
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    Re:GTX 480 SLI option not showing up? 2010/05/28 00:21:26 (permalink)
    acodoes

    Hi,

    I have a EVGA X58 Classified 760 mobo and 2x GTX 480 video cards. I have the latest bios for the mobo and drivers for the cards, but for some reason in the nvidia control panel I do not see the option to enable SLI. What could be the problem here?

    Thanks!

    http://www.evga.com/support/faq/?f=58948

    My PC: My YouTube Channel (Benchmarks, Reviews & Misc stuff)
    #14
    cableguy619
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    Re:GTX 480 SLI option not showing up? 2010/05/28 00:26:06 (permalink)
    sledgehammer70

    acodoes

    Hi,

    I have a EVGA X58 Classified 760 mobo and 2x GTX 480 video cards. I have the latest bios for the mobo and drivers for the cards, but for some reason in the nvidia control panel I do not see the option to enable SLI. What could be the problem here?

    Thanks!

    http://www.evga.com/support/faq/?f=58948


    There it is...Awesome Sledge!!!!

      
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    #15
    Boo84
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    Re:GTX 480 SLI option not showing up? 2010/05/28 00:28:06 (permalink)
    i had that problem awhile back, and this might sound stupid but it worked for me.

    hit the reset button on your tower and when the startup options come up choose start windows normally instead of fixing, that has fixed my problem a few times, might be a problem with windows or something but it worked for me so yea give it a try.

    Intel Core I7 980x @ 4.2 On H20
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    #16
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/28 00:37:12 (permalink)
    cableguy619

    No need to call EVGA :) You were right it worked, I just tried it. I am assuming newer feature from the latest drivers? previous versions always left me without the option so pretty neat to even get a message stating sli bridge missing..

    now back to you almost points to a isse at the board not seeing the cards SLI-ed through the board then. Did you try mixing your a card in slot 1 and 3 of your PCIe slots? just to make sure there is not an issue with the 2nd slot?

    Now that I look, it probably is that realtek problem. I'll try it. I had the Microsoft drivers installed. 
    post edited by chrisdglong - 2010/05/28 00:39:58
    #17
    chrisdglong
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    Re: GTX 480 SLI option not showing up? 2010/05/28 00:43:53 (permalink)
    cableguy619

    No need to call EVGA :) You were right it worked, I just tried it. I am assuming newer feature from the latest drivers? previous versions always left me without the option so pretty neat to even get a message stating sli bridge missing..

    now back to you almost points to a isse at the board not seeing the cards SLI-ed through the board then. Did you try mixing your a card in slot 1 and 3 of your PCIe slots? just to make sure there is not an issue with the 2nd slot?

    Yeah, they did that a while ago. I had a problem where sleep mode would not work with the bridge on. Called EVGA and they told me it wasn't even needed. However, I like using the bridge more. 
    #18
    chrisdglong
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    Re:GTX 480 SLI option not showing up? 2010/05/28 01:07:58 (permalink)
    cableguy619

    sledgehammer70

    acodoes

    Hi,

    I have a EVGA X58 Classified 760 mobo and 2x GTX 480 video cards. I have the latest bios for the mobo and drivers for the cards, but for some reason in the nvidia control panel I do not see the option to enable SLI. What could be the problem here?

    Thanks!

    http://www.evga.com/support/faq/?f=58948


    There it is...Awesome Sledge!!!!

    Thanks to both of you! It worked! I thought you guys were talking about the Realtek sound drivers at first. I have the realtek on board sound disabled. 
    #19
    cableguy619
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    Re:GTX 480 SLI option not showing up? 2010/05/28 01:16:25 (permalink)
    NP... this cam eup about a month ago and havent heard of it since then until this thread. I know it was buried..Sledge just knew best place was FAQ support lol GJ

      
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    #20
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