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X9DRD-iF/LF Motherboard User’s Manual
Short Duration Power Limit
This item displays the time period during which short duration power is main-
tained.
ChipsetConguration
North Bridge
This feature allows the user to congure the settings for the Intel North Bridge.
IntegratedIOConguration
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.
Intel I/OAT
The Intel I/OAT (I/O Acceleration Technology) signicantly reduces CPU over-
head by leveraging CPU architectural improvements, freeing the system resource
for other tasks. The options are Disabled and Enabled.
DCA Support
Select Enabled to use Intel's DCA (Direct Cache Access) Technology to improve
data transfer efciency. The options are Enabled and Disabled.
IIO 1 PCIe Port Bifurcation Control
This submenu congures 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 Slot3 PCI-E 3.0 x8 Link Speed
This feature allows the user to set the PCI-Exp bus speed for the slot specied
above. The options are Gen1 (Generation 1), Gen2 and Gen3.
CPU1 Slot4 PCI-E 3.0 x8 Link Speed
This feature allows the user to set the PCI-Exp bus speed for the slot specied
above. The options are Gen1 (Generation 1), Gen2 and Gen3.