Supermicro SuperServer 6039P-TXRT User Manual page 84

SuperServer 6039P-TXRT User's Manual
Intel® VT for Directed I/O (VT-d)

Intel VT for Directed I/O (VT-d)
®
Select Enable to use Intel® Virtualization Technology support for Direct I/O VT-d support
by reporting the I/O device assignments to the VMM (Virtual Machine Monitor) through
the DMAR ACPI Tables. This feature offers fully-protected I/O resource sharing across
Intel® platforms, providing greater reliability, security and availability in networking and
data-sharing. The options are Enable and Disable.
*If the item above is set to Enable, the following items will be available:
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance. The
options are Enable and Disable.
PassThrough DMA
Select Enable to use the Non-Isoch VT_D engine pass through DMA support. The
options are Enable and Disable.
ATS
Select Enable to use the Non-Isoch VT_D engine ATS support. The options are En-
able and Disable.
Posted Interrupt
Use this feature to enable VT_D posted interrupt. The options are Enable and Disable.
Coherency Support (Non-Isoch)
Select Enable for the Non-Iscoh VT-d engine to pass through DMA (Direct Memory
Access) to enhance system performance. The options are Enable and Disable.
Intel® VMD technology

The Intel® Volume Management Device (VMD) is a host bridge to a secondary PCIe
domain to provide more bus resources.
Intel® VMD for Volume Management Device on CPU1

VMD Config for PStack0
Intel® VMD for Volume Management Device
Select Enable to use the Intel® Volume Management Device Technology for this
stack. The options are Disable and Enable.
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