According to Intel this chip does theoretically support VT-d but based on this
[ 0.056635] DMAR: IOMMU enabled
[ 0.417629] pci 0000:00:00.0: DMAR: Disabling IOMMU for graphics on this chipset
[ 0.417632] pci 0000:00:00.0: DMAR: Forcing write-buffer flush capability
it may not be...