User Manual

Chapter 4: AMI BIOS
4-13
Power Management
Power Technology
Select Energy Ef ciency to support power-saving mode. Select Custom to customize
system power settings. Select Disabled to disable power-saving settings. The
options are Disable, Energy Ef ciency, and Custom.
If the above is set to 'Custom' the following options are displayed:
EIST
EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
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 the frequency recommended
by the manufacturer. 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 ef cient, resulting in further energy gains.
The options are HW_ALL, SW_ALL and SW-ANY.