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 significantly
reduce CPU power consumption by reducing CPU clock cycles and voltages
during a Halt-state. The options are Disable and
Enable
.
CPU T State Control (Available when Power Technology
is set to Custom)
ACPI (Advanced Configuration Power Interface) T-States
Select Enable to support CPU throttling by the operating system to reduce power
consumption. The options are
Enable
and Disable.
Socket RAPL (Running Average Power Limit) Config.
(Configuration)
FAST_RAPL_NSTRIKE_PL2_DUTY_CYCLE
This feature displays the value of the item above within the range between 25
(10%) and 64 (25%). The default setting is
64
.
Turbo Power Limit Lock
Select Enable to set the power use limit for the machine when it is running in
the turbo mode. The options are Enable and
Disable
.