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X9DRFR Motherboard User’s Manual
Chipset Configuration
North Bridge
This feature allows the user to configure the settings for the Intel North Bridge.
Integrated IO Configuration
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.
Intel
®
I/OAT
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nificantly 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 efficiency. The options are
Enabled
and
Disabled.
Back Riser Card
When a back riser card is detected, this item will display its information.
Front Riser Card
When a front riser card is detected, this item will display its information.
IIO 1 PCIe Port Bifurcation Control
This submenu configures the following IO PCIe Port Bifurcation Control settings
for IIO 1 PCIe ports to determine how the available PCI-Express lanes to be
distributed between the PCI-Exp. Root Ports.
IOU1-PCIe Port
This feature allows the user to set the PCI-Exp bus speed between IOU3 and
PCI-e port. The options are x4x4 and
x8
.
