January 19, 20179 yr I have the MSI Z77A-45G ("Military Class III") motherboard. This is not the "Gaming" version. It's the "MS-7752" version. When I look at the unRAID info, I see that HVM is Enabled and IOMMU is Disabled. My understanding is that Disabled does not necessarily mean unavailable--in fact, it could mean available but turned off. But for the life of me, I can't find a setting for IOMMU or VT-d or anything like that in the firmware. I'm running an Intel® Celeron® CPU G1610 @ 2.60GHz. Can anyone tell me if IOMMU is available on this mobo? Thanks!
January 19, 20179 yr Author And a further question... I haven't installed my discrete GPU card yet--right now I'm only using the integrated graphics. Could this be why it's disabled? Think it will change if I install the graphics card? Thanks again.
January 19, 20179 yr No it has nothing to do with graphics cards, it a setting in your BIOS that you must be missing. It should be around the same place you see something about virtualization.
January 20, 20179 yr Your current CPU doesn't support vt-d Indeed, as can be found here: https://ark.intel.com/products/71072/Intel-Celeron-Processor-G1610-2M-Cache-2_60-GHz
January 20, 20179 yr Author The CPU certainly does. But does the motherboard? (I did install a separate GPU as a test but still couldn't find any way to get it to not show Disabled for IOMMU. Thoughts?)
January 20, 20179 yr Did you see the link? Intel® Virtualization Technology for Directed I/O (VT-d) ‡ No
January 20, 20179 yr Author WTH was wrong with my eyes the first few times I looked? Yes, I see the link and yes, you are correct. No VT-d on this processor. I guess that answers it. Thanks!
January 20, 20179 yr Author WTH was wrong with my eyes the first few times I looked? confirmation bias I think so.
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