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3.3.1 CPU Confi guration
Please note that enabling this function may reduce CPU voltage and lead to system
stability or compatibility issues with some power supplies. Please set this item to
[Disabled] if above issues occur.
Active Processor Cores
Use this item to select the number of cores to enable in each processor
package. The default value is [All].
CPU C States Support
Enable CPU C States Support for power saving. It is recommended to
keep C3, C6 and C7 all enabled for better power saving.
Enhanced Halt State (C1E)
Enable Enhanced Halt State (C1E) for lower power consumption.
CPU C3 State Support
Use this to enable or disable CPU C3 (ACPI C2) report to OS.
CPU C6 State Support
Use this to enable or disable CPU C6 (ACPI C3) report to OS.
CPU C7 State Support
Use this to enable or disable CPU C7 (ACPI C7) report to OS.
Package C State Support
Selected option will program into C State package limit register. The
default value is [Auto].
Intel SpeedStep Technology
Intel SpeedStep technology is Intel’s new power saving technology. Pro-
cessors can switch between multiple frequencies and voltage points to en-
able power saving. The default value is [Enabled]. Con
fi
guration options:
[Enabled] and [Disabled]. If you install Windows
®
8 / 8.1 and want to en-
able this function, please set this item to [Enabled]. This item will be hid-
den if the current CPU does not support Intel SpeedStep technology.
