Supermicro SUPERSERVER 5018D-MHR7N4P, User Manual, Page: 88 / 126

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CPU SLOT 6 PCI-E 3.0 X8
This item configures the link speed of the PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
CPU SLOT 7 PCI-E 3.0 X8
This item configures the link speed of the PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .

IOAT (Intel
®
IO Acceleration) Configuration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support, which
significantly reduces CPU overhead by leveraging CPU architectural improve -
ments and freeing the system resource for other tasks. The options are Disable
and
Enable .
No Snoop
Select Enable to support no-snoop mode for each CB device. 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
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.
ACS Control
Use this feature to program Access Control Services (ACS) to the PCI-E Root
Port Bridges. The options are
Enable and Disable.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance.
The options are
Enable and Disable.