Ioat Configuration - Supero SUPERSERVER 1018GR-T User Manual

SuperServer 1018GR-T User's Manual
IIO1 PORT 3A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen1 (2.5 GT/s), Gen2 (5GT/s), and Gen3 (8 GT/s).
IOAT Configuration
Enable I/OAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology), which signifi-
cantly reduces 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 trans-
actions to violate the strict-ordering rules of PCI and 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.
Note: This item is hidden when Intel VT for Directed I/) (VT-d) item is set
to Disable.
7-12