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Super X11DPFF-SN User's Manual
Relaxed Ordering
Select Enable to allow certain transactions to be processed and completed before other
transactions that have already been enqueued. The options are Disable and Enable.
Intel® VT for Directed I/O (VT-d)
Intel® VT for Directed I/O (VT-d)
Select Enable to use 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.
ACS Control (Available when the item: Intel VT for Directed I/O ((VT-d)) is set to Enable)
Use this feature to program Access Control Services (ACS) to the PCI-E Root Port Bridges.
The options are Enable and Disable.
Interrupt Remapping (Available when the item: Intel VT for Directed I/O ((VT-d)) is
set to Enable)
Select Enable for Interrupt Remapping support to enhance system performance. The
options are Enable and Disable.
PassThrough DMA (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.
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 effi ciency 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.
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