Chapter 4: UEFI BIOS
85
ATS
Use this feature to enable Non-Isoch VT-d Engine Address Translation Services (ATS)
support. ATS translates virtual addresses to physical addresses. 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)
Use this feature to maintain setting coherency between processors or other devices.
Select Enable for the Non-Iscoh VT-d engine to pass through DMA 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 PCI-E slot of your choice, this PCI-E slot will
be dedicated for VMD use only, and it will no longer support any PCI-E device. To
re-activate this slot for PCI-E use, please disable VMD.
Intel
®
VMD for Volume Management Device on CPU1
VMD Config for PStack0
Intel® VMD for Volume Management Device for PStack0
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 for PStack0" above
is set to Enable, the following features will become available for user's con-
figuration:
CPU SLOT6 PCI-E 3.0 X8 VMD (Available when the device is detected by the
system)
Select Enable to use the Intel Volume Management Device Technology for this spe
-
cific root port. The options are
Disable
and Enable.
CPU SLOT4 PCI-E 3.0 X8 VMD (Available when the device is detected by the
system)
Select Enable to use the Intel Volume Management Device Technology for this spe
-
cific 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 PCIe root ports 1A~1D. The options
are
Disable
and Enable.