Cpu Power Management Configuration - Supermicro X9DA7 User Manual

X9DA7/X9DAE Motherboard User's Manual
EuP
Select Enabled to support the Low-power Compliance Mode for Energy-using
Products (EuP). The options are Enable and Disable.
CPU Power Management Configuration
This submenu allows the user to configure the following CPU Power Manage-
ment settings.
Power Technology
Select Energy Efficiency to support power-saving mode. Select Custom to cus-
tomize system power settings. Select Disabled to disable power-saving settings.
The options are Disabled, Energy Efficiency, and Custom. If the option is set
to Custom, the following items will display:
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
specific conditions. The options are Disabled and Enabled.
P-STATE Coordination
This feature selects the type of coordination for the P-State of the processor.
P-State is a processor operational state that reduces the processor's voltage
and frequency. This makes the processor more energy efficient, resulting in
further gains. The options are HW_ALL, SW_ALL and SW_ANY.
CPU C3 Report (Available when Power Technology is set to Custom)
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 (Available when Power Technology is set to Custom)
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.
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