X11DPL-i User's Manual
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CPU2 Configuration
IOU2 (II0 PCIe Br3)
This feature configures the PCI-E port Bifurcation setting for a PCI-E port specified by
the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto.
IOAT Configuration
Disable TPH
Transparent Hugepages is a Linux memory management system that enables com-
munication in larger blocks (pages). Enabling this feature will increase performance.
The options are No
and Yes.
Prioritize TPH
Use this feature to enable Prioritize TPH support. The options are Enable and Disable.
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 Directed I/O (VT-d)
Select Enable to use Intel Virtualization Technology 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 Enabled and Disabled.
ACS Control
This feature allows users to choose whether they want to enable or disable PCIe Access
Control Services (ACS) Extended Capability. The options are Enabled and Disabled.
Interrupt Remapping
Select Enable for Interrupt Remapping support to enhance system performance. The
options are Enable and Disable.
Pass Through DMA
Use this feature to allow devices such as network cards to access the system memory
without using a processor. Select Enable to use the Non-Isoch VT_D Engine Pass
Through Direct Memory Access (DMA) support. The options are Enable and Disable.
