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X9DRD-7JLN4F/X9DRD-7LN4F 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.
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.
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 specified to support PCI-Exp
Generation 1. Select GEN2 for the device installed on the slot specified to support
PCI-Exp Generation 2. Select GEN3 for the device installed on the slot specified
to support PCI-Exp Generation 3. The options are GEN1, GEN2
,
and
GEN3
.
