Hello! I am currently trying to run SLI on my two 4gb GTX 970. However, the option is not displayed under the Nvidia control panel. Both cards are recognized in the device manager and on the control panel. I tried reinstalling the drivers many times and swapping the two cards. I used GPU-Z to get a better grasp on the problem and discovered that even under stress testing, the second GPU would not utilize any of its memory. I tried to use the rendering test available in GPU-Z and discovered that the first PCI Express 3.0 x16 slot was running at x8, which I know is normal when there are two cards. However, the second x16 slot was running at x4. I know that in order to allow SLI functionality, I need both slots to run at x8. I cleaned the second slot to no avail and checked for any damage but everything seems fine. I believe the cards are in the correct PCIE slots according to the motherboard manual, which is a asrock z97 OC Formula.
Specifications:
Motherboard: Asrock z97 OC formula
CPU: Intel i7 4790k
GPU: 2x EVGA Nvidia gtx 970 FTW
I would appreciate any help with this issue or any suggestions you all may have to offer!
Thank you!
Specifications:
Motherboard: Asrock z97 OC formula
CPU: Intel i7 4790k
GPU: 2x EVGA Nvidia gtx 970 FTW
I would appreciate any help with this issue or any suggestions you all may have to offer!
Thank you!
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