No SLI Option - X58

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KuJaX

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I just picked up a X58 board (eVGA) and after installing the latest nVidia drivers there is no SLI option in the nVidia control panel. I have tried two cards and also three cards with no success.

Are there other methods or a manual way of disabling and enabling SLI? Would the X58 boards have something in the BIOS that I overlooked or what am I missing?
 
Might need a bios update? Are you sure the Evga board you actually/officially supports SLI?
 
Have you checked all the bios optins? Make sure stuff leg PEG mode isn't disabled, make sure that there are no physical things you need to change on the board itself to go into multi card mode, and all that stuff.
 
Does windows physically see both cards in Device Manager?
 
Stanley Pain said:
Have you checked all the bios optins? Make sure stuff leg PEG mode isn't disabled, make sure that there are no physical things you need to change on the board itself to go into multi card mode, and all that stuff.
Click to expand...

There haven't been SLI "cards" to flip on any board I'm aware of since the introduction of the P35 chipset. No LGA1366 / X58 board has one. There are no BIOS options to disable or enable SLI support on modern boards either. Some BIOSes do have options to disable individual PCIe slots though.

OP, you've installed the latest drivers I'm assuming, right? Other than that, I don't know what to tell you. Your board does indeed have official SLI support (some X58s don't) so it should work fine. Contact EVGA.
 
Does windows physically see both cards in Device Manager?
Click to expand...
This is a big one.

If you have the SLI bridge/connector installed, and the OS is seeing both cards (they are the same card right? like 2 260s or 2 280s or whatnot, not a 260 and a 280) you should have the option to enable SLI under the nvidia control pannel.
 
Will the SLI enable/disable be in the nVidia control panel always? Or only when everything matches up (same cards, using SLI connector, etc)?
 
Only when everything is "right" -- proper drivers, 2 identical cards, SLI connectors in place, etc.

Otherwise it is not present.
 
Hrm, not sure here.

I've been able to run SLi and Tri-SLi in an Evga X58 mobo. I've run SLi in slots 1 and 2 and 1 and 3. I've also tried Crossfire with no issues. I've even done GTX 260 Core 216 SLi with an 8800GT for PhysX.

Don't know what to suggest beyond what has already been suggested. If the bridge is functional and installed, SLi option should appear in the nVidia CP after a driver installation.

Even on the first released BIOS Tri-SLi worked for me with two GTX 260 Core 216 cards and one GTX 260 192SP card.

I hope you get it worked out.
 
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