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X9QR7-TF+/X9QRi-F+ Motherboard User’s Manual
Chipset Conguration
North Bridge
This feature allows the user to congure the settings for the Intel North Bridge.
Integrated IO Conguration
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
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nicantly reduces CPU overhead by leveraging CPU architectural improvements
and 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 efciency. The default setting is Enabled.
Riser Card
When detected by the BIOS, this item displays riser card information
PCIe Port Bifurcation Control
This submenu congures the following IO PCIe Port Bifurcation Control settings
for the PCIe ports to determine how the available PCI-Express lanes will be
distributed between the PCI-Exp. Root Ports.
CPU 4 PCIe Slot 1 Link Width
This feature allows the user to set the PCI-Exp bus speed between CPU 4 and
the PCI-e port. The options are x4, and x8.
CPU 4 PCIe Slot 1 Link Speed
Select GEN1 to enable PCI-Exp Generation 1 support for Slot 1. Select GEN2 to
enable PCI-Exp Generation 2 support for Slot 1. Select GEN3 to enable PCI-Exp
Generation 3 support for Slot 1. The options are GEN1, GEN2, and GEN3.