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Chapter 7: BIOS
Factory Long Duration Maintained
This item displays the period of time set by the manufacturer during which long
duration power is maintained.
Long Duration Maintained
This item displays the period of time during which long duration power is
maintained.
Recommended Short Duration Power
This item displays the short duration power settings recommended by the
manufacturer.
Short Duration Power Limit
This item displays the period of time during which short duration power is
maintained.
Chipset Confi guration
North Bridge
This feature allows the user to confi gure the settings for the Intel North Bridge.
IOH (IO Hub) Confi 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 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 Technolgy) signifi cantly reduces CPU overhead
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) Technolgy to improve
data transfer effi ciency. The options are Enabled and Disabled.
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