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ASUS Sabertooth X79 (with BIOS release 1203 and Marvell SATA controller disabled).ASUS Sabertooth X58 (Intel X58 chipset) incorrect bios DMAR-table (2nd RMRR structure is incorrect).ASUS P6T6 WS Revolution (Intel X58 chipset) incorrect bios DMAR-table.ASUS P6T documentation claims support, but does not work due to DMAR-table issue.
Enable iommu in bios update#
ASUS P6T Deluxe (Intel X58 chipset) requires (currently non-public) BIOS update to correct DMAR-table issue.ASUS P5E-VM DO (Intel Q35 chipset) requires IGD to be enabled (otherwise DMAR-table becomes corrupted).For ASUS Desktop Boards, these have VT-d support enabled, but Asus does NOT support Linux, so you are on your own with any Linux or Xen issues like broken BIOSes:.Intel DQ45CB (BIOS 0061 required, previous versions are known to cause problems).Intel DX38BT, DX48BT2 (BIOS 1554 or 1782 required, VT-d is known to not work in other versions iommu=workaround_bios_bug required).For Intel Desktop Boards, these have VT-d support enabled:.The following chipsets have VT-d capability in theory, but most OEMs (such as Asus and Gigabyte) do not have it enabled on boards based on these:.Intel Z87, H87, Q87 and B85 (information provided by ASRock support).VT-d is enabled on the following chipsets:.
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