Supermicro X9DRH-ITF User Manual download pdf (Page 82)

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X9DRH-7F/-iF/-7TF/-iTF Motherboard User’s Manual

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ChipsetConguration



North Bridge

This feature allows the user to congure the settings for the Intel North Bridge.



IOH(IOHub)Conguration

Intel

VT-d

Select Enabled to enable 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 Enabled and

Disabled.

Data Direct I/O

The Intel I/OAT (I/O Acceleration Technology) signicantly reduces CPU over-

head by leveraging CPU architectural improvements, freeing the system resource

for other tasks. The options are Disabled and Enabled.

DCA Support

When set to Enabled this feature uses Intel's DCA (Direct Cache Access)

Technology to improve data transfer efciency. The default setting is Enabled.

IIO 1 PCIe Port Bifurcation Control

This submenu allows the user to congure PCIe Port Bifurcation Control settings

for the IIO 1 PCI-Exp port. This feature determines how to distribute the available

PCI-Express lanes to the PCI-E Root Ports.

IOU1-PCIe Port

This feature allows the user to set the PCI-Exp bus speed between IOU1 and

PCI-e port. The default setting is x8.

LSI SAS 2208 Link Speed

Select GEN1 to enable PCI-Exp Generation 1 support for the above port. Select

GEN2 to enable PCI-Exp Generation 2 support for the above port. Select GEN3

to enable PCI-Exp Generation 3 support for the above Port. The options are

GEN1, GEN2, and GEN3.

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Supermicro X9DRH-ITF User Manual Page 82