Supermicro X12DAi-N6, Руководство пользователя

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Super X12DAi-N6 User's Manual
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IOU4 (IIO PCIe Port 5)
Use this feature to configure the PCIe Bifurcation setting for a PCIe port specified by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and
Auto .

IOAT Configuration
Disable TPH
TPH ( TLP Processing Hint) is used for data-tagging with a destination ID and a few
important attributes. It can send critical data to a particular cache without writing through
to memory. Select No for TLP Processing Hint support, which will allow a "TPL request" to
provide "hints" to help optimize the processing of each transaction occurred in the target
memory space. The options are Yes and
No .
Prioritize TPH (TLP Processing Hint)
Select Enable to prioritize the TPL requests that will allow the "hints" to be sent to help
facilitate and optimize the processing of certain transactions in the system memory. The
options are Enable and
Disable .
Relaxed Ordering
Select Yes to allow certain transactions to be processed and completed before other
transactions that have already been enqueued. The options are Yes and
No .

Intel ® VT for Directed I/O (VT-d)
Intel® VT for Directed I/O
Use this feature to enable the Intel Virtualization Technology support for Direct I/O VT-d
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 (Access Control Services) Control (Available when Intel® VT for Directed I/O
(VT-d) is set to Yes)
Select Enable to program ACS control to Chipset PCIe Root Port bridges. Select Disable to
program ACS control to all PCIe Root Port bridges. The options are
Enable and Disable.
Interrupt Remapping (Available when "Intel® VT for Directed I/O (VT-d)" is set to
Enable)
If this feature is set to Enable, I/O DMA transfer remapping and device-generated interrupts
will be supported. The options are
Auto , Enable, and Disable.