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Thread: ASUS MB POST issues with SLI GTX 760 x2




  1. #1
    Join Date
    Sep 2013
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    Default ASUS MB POST issues with SLI GTX 760 x2

    Ok so I'm building a new rig and I want to SLI 2 EVGA GTX 760 cards in it. I have an 850W PSU putting out 70A on the 12V rail and an ASUS Sabertooth 990FX R2.0 MB. When I install either GPU in the first or third PCI-e slot by itself, no problems, so I know the problem isn't with the either card, the RAM, etc. But when I try and SLI the 2 cards in the 1st and 3rd PCI-e slots (as recommended for 2x16 performance), I get an 8 short beep code and the system will not POST; apparently that means that there is a "Display memory Read/Write test failure." Is there a jumper or something else I'm missing to enable SLI?

  2. #2
    Join Date
    Sep 2007
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    Default Re: ASUS MB POST issues with SLI GTX 760 x2

    There is a bridge needed between the cards for SLI, but the system should still boot it just wouldn't be running in SLI. Can you list your full system spec's, also the make and model of your power supply unit.
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

  3. #3
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    Default Re: ASUS MB POST issues with SLI GTX 760 x2

    I've tried with and without the bridge, on both sets of goldfingers, and always the same 8 beep code.

    My system:
    AMD FX-8350 Vishera 4.0 GHZ CPU
    ASUS Sabertooth 990FX R2.0 Motherboard
    4x4GB Corsair Vengeance DDR3-1600 RAM
    2x EVGA GTX 760 2MB GPUs
    Corsair TX850W 70A PSU
    Seagate SV-35 Series 2TB 7200RPM HDD

  4. #4
    Join Date
    Sep 2007
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    Minnesnowda
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    Default Re: ASUS MB POST issues with SLI GTX 760 x2

    Usually there is a second power plug the board needs to see for SLI to work, any open molex plugs on the board? I have two GTX 580 on my Corsair TX750 so your good there, try with only two sticks of memory. So it will run with out the second card installed?
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

  5. #5
    Join Date
    Sep 2007
    Location
    Minnesnowda
    Posts
    225

    Default Re: ASUS MB POST issues with SLI GTX 760 x2

    Quote Originally Posted by Dougulas84 View Post
    I've tried with and without the bridge, on both sets of goldfingers, and always the same 8 beep code.

    My system:
    AMD FX-8350 Vishera 4.0 GHZ CPU
    ASUS Sabertooth 990FX R2.0 Motherboard
    4x4GB Corsair Vengeance DDR3-1600 RAM
    2x EVGA GTX 760 2MB GPUs
    Corsair TX850W 70A PSU
    Seagate SV-35 Series 2TB 7200RPM HDD

    Is your memory on the supported list, I can't tell as you list 4X4? What operating system are you using, I gave up mind reading? Have you tried the mem OK button? the EATX 8 pin plug is populated not half full?
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

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