Chapter 4: BIOS
95
CPU C State Control
Enable Monitor MWAIT
Select Enable to support Monitor and Mwait, which are two instructions in Streaming
SIMD Extension 3 (SSE3), to improve synchronization between multiple threads for CPU
performance enhancement. The options are
Enable
, and Disable.
CPU C6 Report (Available when "Autonomous Core C-State" is set to Disable)
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 caches is turned off. The options are
Auto
,
Enable, and Disable.
Enhanced Halt State (C1E) (Available when "Autonomous Core C-State" is set to
Disable)
Select Enable to enable "Enhanced Halt State" support, which will significantly reduce the
CPU's power consumption by minimizing CPU's clock cycles and reduce voltage during a
"Halt State". The options are Disable and
Enable
.
Package C State Control
Package C State
Use this feature to optimize and reduce CPU package power consumption in idle mode.
Please note that the changes you've made in this setting will affect all CPU cores or the
circuits of the entire system. The options are C0/C1 state, C2 state, C6 (non-Retention)
state and
Auto
.
CPU T State Control
(
Available when "Power Technology" is set to
Custom)
Software Controlled T-States
If this feature is set to Enable, CPU throttling will be controlled by the OS, which will reduce
the speed of CPU. The options are Enable and
Disable
.
