Supermicro X11DPU - Page 91

Chapter 4: BIOS
91
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 Cong 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 item above "Intel® VMD for Volume Management Device" is set to
Enable, the following items will be displayed:
P1_NVMe0 VMD (Available when the device is detected by the system)
Select Enable to use the Intel® Volume Management Device Technology for this
device. The options are Disable and Enable.
P1_NVMe1 VMD (Available when the device is detected by the system)
Select Enable to use the Intel® Volume Management Device Technology for this
device. 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 Cong 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.