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X9DRW-3LN4F+/3TF+ Motherboard User’s Manual
Short Duration Power Limit
This item displays the time period during which short duration power is main-
tained. The default setting is 0.
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 VWM (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.
Data Direct I/O
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 default is
Enabled
and can
not be changed.
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.
IOU2-PCIe Port
This feature allows the user to set the bus speed between the IOU2 and the
PCI-Exp port. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8,
x16,
Auto
.
