Intel® Virtualization Technology (Available When Supported By The Cpu); Cpu Power Management Configuration; Eist; Turbo Mode - Supermicro X9SRW-F User Manual

Intel® Virtualization Technology (Available when supported by the CPU)
Select Enabled to use the feature of Virtualization Technology to allow one plat-
form to run multiple operating systems and applications in independent partitions,
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
web site for detailed information.
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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.

C1E Support

Select Enabled to use the "Enhanced Halt State" feature. C1E significantly
reduces the CPU's power consumption by reducing the CPU's clock cycle
and voltage during a "Halt State." The options are Disabled and Enabled.

CPU C3 Report, CPU C6, CPU C7 Report

This BIOS feature enables or disables C3 (ACPI C2), C6 (ACPI C3). C7 (ACPI
C3) reporting to the operating system. The default option for C3 is Disabled.
The default option for C6 and C7 is Enabled.

Package C State Limit

If set to Auto, the AMI BIOS will automatically set the limit on the C-State
package register. The options are C0, C2, C6, and No Limit.
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Chapter 4: AMI BIOS