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Chipset Confi guration
North Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel North Bridge.
Intergraded IO Confi 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 Working
Memory) 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.
Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) signifi 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
Select Enabled to use Intel's DCA (Direct Cache Access) Technology to improve
data transfer effi ciency. The options are Enabled and Disabled.
IIO 0 PCIe Port Bifuracation Control/IIO 1 PCIe Port Bifuracation Control
This submenu allows the user to confi gure the following IO PCIe Port Bifurcation
Control settings for IIO 0 PCIe port and IIO 1 PCIe port, which determine how to
distribute the available PCI-Express lanes to the PCI-Exp. Root Ports.
IOU1-PCIe Port
This feature allows the user to set the PCI-Exp bus speed between IOU1 and
PCIe port. The options are x4x4and x8.
Port 1A Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for Port 1A. Select GEN2
to enable PCI-Exp Generation 2 support for Port 1A. Select GEN3 to enable
PCI-Exp Generation 3 support for Port 1A. The options are GEN1, GEN2, and
GEN3.
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Chapter 7: BIOS
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