Supero FatTwin F628R3-FT User Manual page 114

FatTwin F628R3-FT FatTwin
IOAT (Intel® IO Acceleration) Confi guration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support,
which will signifi cantly reduce CPU overhead by leveraging CPU architectural
improvements 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 earlier.
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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