Chapter 4: UEFI BIOS
85
ATS (Available when the item: Intel VT for Directed I/O ((VT-d)) is set to Enable)
Select Enable to enable ATS (Address Translation Services) support for the Non-Iscoh VT-d
engine to enhance system performance. The options are
Enable
and Disable.
Posted Interrupt (Available when the item: Intel VT for Directed I/O ((VT-d)) is set to
Enable)
Select Enable to support VT_D Posted Interrupt which will allow external interrupts to be
sent directly from a direct-assigned device to a client machine in the non-root mode to
improve virtualization efficiency by simplifying interrupt migration and lessening the need
of physical interrupts. The options are
Enable
and Disable.
Coherency Support (Non-Isoch) (Available when the item: Intel VT for Directed I/O
((VT-d)) is set to Enable)
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
Intel
®
VMD for Volume Management Device on CPU1
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 item "Intel VMD for Volume Management Device" above is set to Enable, the following
items will be displayed:
VMD port 2A~VMD port 2D (Available when the device is detected by the system)
Select Enable to use the Intel Volume Management Device Technology for this specific root
port. The options are
Disable
and Enable.
Hot Plug Capable (Available when the device is detected by the system)
Use this feature to enable hot plug support for PCI-E root ports 2A~2D. The options are
Disable
and Enable.
VMD Config for PStack2
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 "Intel VMD for Volume Management Device" above is set to Enable, the following
items will be displayed:
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