Chapter 4: AMI BIOS
4-7
Active Processor Cores
Enables selection of the number of the processor's core to acivate. (Please refer to
Intel's web site for more information.) The options are All, 1, 2, and 3.
Power Technology
Use this feature to select a power-saving scheme for the motherboard. The options
are Disabled, Energy Efcient 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.
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 efcient, resulting in further
energy gains. The options are HW_ALL, SW_ALL and SW-ANY.
CPU C3 Report
Select Enabled for the CPU to report C3 (ACPI C2) state to the operating system.
The options are Disabled and Enabled.
CPU C6 Report
Select Enabled for the CPU to report C6 (ACPI C3) state to the operating system.
The options are Disabled and Enabled.
Package C-State limit
Select Auto for the AMI BIOS to automatically set the limit on the C-State package register.
The options are C0, C2, C6, C7 and No Limit.
Turbo Boost Technology (Available when Intel® EIST
technology is Enabled)
This feature allows processor cores to run faster than marked frequency in specic
conditions.
Factory Long Duration Power Limit
This feature displays the value of the processor power consumption limit (in Watts)
set by the manufacturer for a long duration time window.
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