Chapter 4: AMI BIOS
4-9
CPU C State Control (Available when Power Technology
is set to Custom)
Package C State limit
Use this item to set the limit on the C-State package register. The options are
C0/1 state, C2 state, C6 (non-Retention) state, C6 (Retention) state, and No
Limit.
CPU C3 Report
Select Enable 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 Enable and Disable.
CPU C6 Report (Available when Power Technology is set to Custom)
Select Enable to allow the BIOS to report the CPU C6 state (ACPI C3) to the
operating system. During the CPU C6 state, power to all cache is turned off.
The options are Enable and Disable.
Enhanced Halt State (C1E)
Select Enabled to use Enhanced Halt-State technology, which will signicantly
reduce the CPU's power consumption by reducing the CPU's clock cycle and
voltage during a Halt-state. You will need to reboot the system for the change
of this setting to take effect. The options are Disable and Enable.
CPU T State Control (Available when Power Technology
is set to Custom)
ACPI (Advanced Conguration Power Interface) T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are Enable and Disable.
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