Supermicro X13SEED-F User Manual page 82

Super X13SEED-F/-SF User's Manual
Intel VT for Directed I/O (VT-D)
Intel VT for Directed I/O
Select Enable to use Intel Virtualization Technology support for Direct I/O VT-d sup-
port by reporting 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.
Pre-boot DMA Protection
Select Enable to establish DMA protection during pre-boot processing. The options
are Enable and Disable.
Interrupt Remapping (Available when "Intel® VT for Directed I/O (VT-d)" is
set to Enable)
Select Enable to support I/O DMA transfer remapping and device-generated inter-
rupts. The options are Auto, Enable, and Disable.
PCIe ACSCTL (Available when "Intel® VT for Directed I/O (VT-d)" is set to
Enable)
Select Enable to program ACS control to Chipset PCIe Root Port bridges. Select
Disable to program ACS control to all PCIe Root Port bridges. The options are En-
able and Disable.
Intel® VMD Technology
This section describes the configuration settings for the Intel VMD technology.
Note 1: After you've enabled VMD in the BIOS on a PCIe slot, 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, disable VMD in the BIOS.
Note 2: PCIe slots and naming can differ depending on the PCIe devices connected
to your motherboard.
NVMe Mode Switch
Use this feature to select the NVMe mode. Select VMD when an Intel Virtual RAID
on CPU (VROC) key is attached to the VROC key header at JRK1 on the mother-
board. The options are Manual, VMD, and Auto.
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