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For, that's silly that the K version doesn't have the feature.
Just a clarification, most i7's support vt-d and many other's do too. Including nearly all xeons. The 2600k most defiantly does. It's also not tied to any motherboard but solely to the cpu.
You are thinking of Vt-X (CPU virtualizationn)
Vt-d is IOMMU, or Memory virtualization and is required for video card emulation to work properly.
It is enabled in only non-K chips and on certain chipsets only. Furthermore it is up to the motherboard vendor whether they want to apply it or not.
MSI and Asrock I believe support Vt-d on Z68 series, ASUS does not.
Or all Q67 or c200 series workstation boards support it as well. Still need a CPU that allows it though.
The following Intel® Desktop Boards support Intel VT with Directed I/O:
Chipset Desktop Board
Q67 DQ67EP; DQ67OW; DQ67SW
Q57 DQ57TM; DQ57TML
Q45 DQ45CB; DQ45EK
Q35 DQ35JO; DQ35MP
Well this is defiantly a weird one because in my bios (ASRock P67 Extreme 4 Gen 3) I have the option for Vt-d, It was enabled by default too. I have disabled simply because of possible stability issues when oc'ed. I'll grab a shot of the option and I'll enable it and post up cat /proc/cpuinfo.
I'm not trying to argue with anyone, and it clearly is stated on the Intel website, but I do indeed have this option.
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