Though we cannot officially support or guarantee 8GT/s speeds for X79/SNB-E, you can manually enable faster 8GT/s bus speeds (at your own risk) on GTX 680 or GTX 670 GPUs using the following executable: force-enable-gen3. Native PCI Express 3.0 platforms (like Ivy Bridge) will run at 8GT/s bus speeds with our standard release drivers. Therefore we’ve decided to only support and guarantee PCI Express 2.0 bus speeds on X79/SNB-E with our standard release drivers. We have tested GeForce GTX 680 and GTX 670 GPUs across a number of X79/SNB-E platforms at 8GT/s bus speeds, but have seen significant variation in signal timing across different motherboards and CPUs. Some motherboard manufacturers have released an updated SBIOS to enable the Intel X79/SNB-E PCI Express 2.0 platform to run at up to 8GT/s bus speeds. They operate properly within the SIG PCI Express Specification and have been validated on multiple PCI Express 3.0 platforms. GeForce GTX 680 and GTX 670 GPUs support PCI Express 3.0.
All of the marketing material from both Intel and Supermicro indicate that this combination is fully PCI Express 3.0 certified but I guess it does have more in common with X79 and Sandy Bridge-E than it does with Ivy Bridge.Īllanmac pointed out this interesting explanation and workaround, which may relate to what you’re hitting. One thing I’m wondering though is whether nVidia are treating this as an “unvalidated” platform.
#Nvidia gtx 680 not booting windows#
I’ve got a new BIOS version from Supermicro which has had some effect although my secondary video card is now not showing up in Windows and the primary one isn’t running at Gen3 speeds. I’m still trying to get Gen3 working on the X9DR3-F.
#Nvidia gtx 680 not booting install#
Something else to watch out for with the X9DR3-F is that although from the photographs it looks like you can install 3 video cards in this motherboard in fact they have changed the layout and one of the PCI-Express slots is now obstructed by the DIMM slots. You have to enable Gen3 in the BIOS which causes it to not boot.
The display is not attached to an Nvidia GPU. After a couple times restarting it finally comes up and its screwed up again.
I get about 12GB/s in each direction for pinned memory. I boot it up and the first couple times when it gets to the Windows login screen it just goes completely black. Sorry to answer my own question but it works perfectly on the ASUS RoG Maximum V Gene.
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