Supermicro X11DPG-QT User Manual page 93

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

This section describes the configuration settings for the Intel Volume Management
Device (VMD) Technology.
Note: After you've enabled VMD on a PCIe slot of your choice, this PCIe slot will be
dedicated for VMD use only, and it will no longer support any PCIe device. To re-activate
this slot for PCIe use, please disable VMD.
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.
*If the feature "Intel® VMD for Volume Management Device" is set to Enable,
the following features will be available:
CPU1 SLOT2 PCI-E 3.0 x16 VMD (Available when the device is detected by
the system)
Select Enable to use the Intel Volume Management Device Technology for this de-
vice. The options are Disable and Enable.
Hot Plug Capable (Available when the device is detected by the system)
Use this feature to enable the hot plug support for PCIe root ports 1A~1D. The op-
tions are Disable and Enable.
VMD Config for PStack1
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.
*If the feature "Intel® VMD for Volume Management Device" is set to Enable,
the following features will be available:
CPU1 SLOT4 PCI-E 3.0 x16 VMD (Available when the device is detected by
the system)
Select Enable to use the Intel Volume Management Device Technology for this de-
vice. The options are Disable and Enable.
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Chapter 4: UEFI BIOS