Chapter 7: BIOS
7-9
XChipset Confi guration
XNorth Bridge
This feature allows the user to confi gure the following North Bridge settings.
XIntegrated 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
overhead by leveraging CPU architectural improvements, freeing up 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 1 PCIe Port Bifuracation Control
This submenu allows the user to confi gure the following IO PCIe Port
Bifurcation Control settings for IIO 1 PCIe port. These settings determine
how to distribute the available PCI-Express lanes to the PCI-Exp. Root Ports.
CPU1 Slot1 PCI-E Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for the port. Select
GEN2 to enable PCI-Exp Generation 2 support for the port. Select GEN3
to enable PCI-Exp Generation 3 support for the port. The options are GEN1,
GEN2, and GEN3.
CPU1 Slot1 PCI-E Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for the port. Select
GEN2 to enable PCI-Exp Generation 2 support for the port. Select GEN3
to enable PCI-Exp Generation 3 support for the port. The options are GEN1,
GEN2, and GEN3.
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