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Long Duration Maintained
This item displays the period of time in seconds 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 time period 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.
Integrated IO 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 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 Disabled and
Enabled.
Ageing Timer Rollover
Use this feature to determine how long to set the Ageing timer. Set this feature
to default to follow the BIOS setting. The options are Disabled, 32 us, 128 us,
and 512 us.
Intel® I/OAT
The Intel I/OAT (I/O Acceleration Technology) signifi cantly reduces CPU over-
head by leveraging CPU architectural improvements, freeing up the system
resource for other tasks. The options are Disabled and Enabled.
7-9
Chapter 7: BIOS
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