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Chapter 4: AMI BIOS
4-7
DCU Streamer Prefetcher
This feature enables prefetch of the next L1 data line based on multiple loads in
the same cache line. The options are
Enabled and Disabled.
DCU IP Prefetcher
Set this feature to Enabled to activate the L1 Data Prefetcher based on sequential
load history. The options are
Enabled and Disabled.
Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to use the feature of Virtualization Technology to allow one platform
to run multiple operating systems and applications in independent partitions, creat-
ing 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 web
site for detailed information.
 CPU Power Management Configuration
Power Technology
This feature determines what power-saving scheme the motherboard uses. The
options are Disabled,
Energy Efficient and Custom. If Custom is selected, the
following options become available:
EIST
EIST (Enhanced Intel SpeedStep Technology) allows the system to automati-
cally 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
specific conditions. The options are Disabled and Enabled.
CPU C3 Report
Select Enabled to allow the BIOS to report the CPU C3 State (ACPI C2) to
the operating system. During the CPU C3 State, the CPU clock generator
is turned off. The options are Enabled and
Disabled.
CPU C6 Report
Select Enabled to allow the BIOS to report the CPU C6 State (ACPI C3) to
the operating system. During the CPU C6 State, the power to all cache is
turned off. The options are
Enabled and Disabled.