User`s manual

4-10
X9DRD-7LN4F-JBOD/X9DRD-7LN4F Motherboard User’s Manual
ChipsetConguration
North Bridge
This feature allows the user to congure the settings for the Intel North Bridge.
IntegratedIO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.
Intel
®
I/OAT
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nicantly 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 efciency. The options are Enabled and
Disabled.
IIO 1 PCIe Port Bifurcation Control
This submenu congures 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.
CPU1 Slot1 PCI-E 3.0 x8 Link Speed/ CPU1 Slot2 PCI-E 3.0 x8 Link
Speed/ CPU1 Slot6 PCI-E 3.0 x8 Link Speed/CPU2 Slot3 PCI-E 3.0 x8
Link Speed/CPU2 Slot4 PCI-E 3.0 x8 Link Speed/CPU2 Slot5 PCI-E 3.0 x8
Link Speed
Select GEN1 for the device installed on the slot specied to support PCI-Exp
Generation 1. Select GEN2 for the device installed on the slot specied to support
PCI-Exp Generation 2. Select GEN3 for the device installed on the slot specied
to support PCI-Exp Generation 3. The options are GEN1, GEN2, and GEN3.