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X10DRL-i Motherboard User’s Manual
IOAT (Intel® IO Acceleration) Conguration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support, which
signicantly reduces CPU overhead by leveraging CPU architectural improve-
ments and freeing the system resource for other tasks. The options are Enable
and Disable.
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are
Disable and Enable.
Relaxed Ordering
Select Enable to enable Relaxed Ordering support which will allow certain
transactions to violate the strict-ordering rules of PCI bus for a transaction to
be completed prior to other transactions that have already been enqueued. The
options are Disable and Enable.
Intel VT for Directed I/O (VT-d)
Intel VT for Direct 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
support 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.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance.
The options are Enable and Disable.
Coherency Support (Non-Isoch)
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.
Coherency Support (Isoch)
Select Enable for the Iscoh VT-d engine to pass through ATS to enhance system
performance. The options are Enable and Disable.
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