Supermicro 2028UT-BC1NRT, User Manual, Page: 98 / 138

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SUPERSERVER 2028UT-BTNRT/BC1NRT User’s Manual
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Intel VT for Directed I/O (VT-d)
Intel VT for Direct I/O (VT-d)
Isoc
Select Enable to enable Isochronous support to meet QoS (Quality of Service)
requirements. This feature is especially important for Intel Virtualization
technology. The options are Enable and
Disable .
Intel
®
VT for Directed I/O (VT-d)
Select Enable to enable Intel Virtualization Technology support for Direct I/O
VT-d
by reporting the I/O device assignments to the VMM (Virtual Machine
Monitor) 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.
VTD (VT-d) BARLock Enable
Select Enable to enable Bar-lock support for the devices used in Intel
Virtualization Technology.
The options are
Enable
and Disable.
Interrupt Remapping
Select Enable to support Interrupt Remapping to enhance system performance.
The options are
Enable and Disable.
Pass Through DMA
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.
ATS
Select Enable for the Non-Iscoh VT-d engine to pass through ATS to enhance
system performance. The options are
Enable and Disable.
Super Pages
Select Enable for VT-d Super-Pages support to improve system performance.
The options are
Enable and Disable.
Coherence Support
Select Enable for Non-Iscoh VT-d Engine Coherence support to improve system
performance. The options are
Disable and Enable.