Chapter 4: AMI BIOS
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DCU IP Prefetcher
Select Enabled for DCU (Data Cache Unit) IP Prefetcher support, which will
prefetch IP addresses to improve network connectivity and system performance.
The options are Enabled and Disabled.
Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to support Intel Virtualization Technology, which will allow one
platform to run multiple operating systems and applications in independent parti-
tions, creating multiple "virtual" systems in one physical computer. The options
are Enabled and Disabled.
Note: If there is any change to this setting, you will need to power off and
restart the system for the change to take effect. Please refer to Intel's
website for detailed information.
Clock Spread Spectrum
Select Enabled to enable Clock Spectrum support, which will allow the BIOS to
monitor and attempt to reduce the level of Electromagnetic Interference caused
by the components whenever needed. The options are Disabled and Enabled.
CPUPowerManagementConguration
This submenu allows the user to congure the following CPU Power Manage-
ment settings.
Power Technology
Select Energy Efciency to support power-saving mode. Select Custom to cus-
tomize system power settings. Select Disabled to disable power -saving settings.
The options are Disable, EnergyEfcient and Custom. If Custom is selected,
the following options become available:
EIST
EIST (Enhanced Intel SpeedStep Technology) allows the system to auto-
matically adjust processor voltage and core frequency in an effort to reduce
power consumption and heat dissipation. Please refer to Intel’s web site
for detailed information. The options are Disabled and Enabled.
Turbo Mode
This feature allows processor cores to run faster than marked frequency in
specic conditions. The options are Disabled and Enabled.
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