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X9DAi 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.
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, CPU C6 Report, CPU C7 Report
This BIOS feature enables or disables C3, C6, and C7 reporting to the op-
erating system.
The options are Disabled and Enabled. The default for C3 is
Disabled. The default 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
.
Energy Performance
This setting allows the user to adjust the fan speed based on performance (maxi-
mum cooling) or energy efficiency (maximum energy savings). The options are
Performance,
Balanced Performance
, Balanced Energy, and Energy Efficient.
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