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Overclocking SLI GPUs

  • 08-11-2013 10:55am
    #1
    Luck100
    Registered Users, Registered Users 2 Posts: 878 ✭✭✭


    Basically, how do I tune each card individually in 2-way SLI?

    The details:
    I have 2 gtx 670 in sli, and I want to try overclocking them. I'm planning to use precision-X and follow this basic guide:
    http://www.overclock.net/t/1265110/the-gtx-670-overclocking-master-guide

    My cards are different brands (EVGA FTW and Zotac), so I want to tune them individually. Precision-X lets me change the settings individually, but how do I test the cards individually? I can test the primary card alone by disabling SLI, but what about the other one? Do I have to move it to the primary slot?

    I'm also confused about the way the two cards are identified by software.

    Physical locations: Slot 1 = EVGA, Slot 3= Zotac (my motherboard recommends slots 1 & 3 for 2-way SLI)

    GPU-Z: EVGA listed first, Zotac second

    Precision-X and HWinfo: Zotac listed first, EVGA listed second

    Does that sound right? Precision-X and HWinfo don't seem to report the brand of the cards, but I can verify identity by running a non-SLI load and seeing which one gets ramped up.


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