Supermicro X12SDV-4C-SPT4F User Manual page 73

Intel® VT for Directed I/O (VT-d)

Intel VT for Directed I/O (VT-d)
®
Intel VT for Directed I/O (VT-d)
®
Select Yes to use Intel Virtualization Technology for Direct I/O VT-d support by re-
porting the I/O device assignments to the Virtual Machine Monitor (VMM) 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.
ACS Control
Select Yes to program Access Control Services (ACS) to the chipset PCIe root port
bridge. Select No to program ACS to all PCIe root port bridges. The options are En-
able and Disable.
Interrupt Remapping
Use this feature to enable Interrupt Remapping support, which detects and controls
external interrupt requests. The options are Enable, Disable, and Auto.
Intel® VMD Technology

Intel VMD Technology
®
Intel® VMD for Volume Management Device on CPU1

IIO eDPC Support
Use this feature to enable or disable IIO enhanced DPC support. The options are Dis-
able, On Fatal Error, and On Fatal and Non-Fatal Errors.
PCIe ASPM Support (Global)
Use this feature to enable or disable ASPM support for all donwstream devices. The
options are Disable and Auto.
South Bridge
The following USB information is displayed:
•
USB Module Version
•
USB Devices
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Chapter 4: UEFI BIOS