Cpu - Power Management Control - Avalue Technology HPS-246U4A Quick Reference Manual

HPS-246U4A/HPS-246UTA
3.6.2.1.1 CPU – Power Management Control
Item
Intel® SpeedStep™
Intel® Speed Shift
Technology
Turbo Mode
C States
Enhanced C-States
C-State Auto Demotion
C-State Un-demotion
Package C-State Demotion
Package C-State
Un-demotion
Package C State Limit
42 HPS-246U4A/HPS-246UTA Quick Reference Guide
Option
Enabled[Default], Allows more than two frequency ranges to be
Disabled supported.
Eanble/Disable Intel® Speed Shift Technology
Enabled[Default],
support. Enabling will expose the CPPC v2 interface
Disabled
to allow for hardware controlled P-states.
Enable/Disable processor Turbo Mode (requires Intel
Enabled[Default],
Speed Step or Intel Speed Shift to be available and
Disabled
enabled).
Enabled[Default], Enable/Disable CPU Power Management. Allows
Disabled CPU to go to C states when it's not 100% utilized.
Enabled[Default], Enable/Disable C1E. When enabled, CPU will switch
Disabled to minimum speed when all cores enter C-State.
Disabled
C1
Configure C-State Auto Demotion.
C3
C1 and C3[Default]
Disabled
C1
Configure C-State Un-demotion.
C3
C1 and C3[Default]
Enabled,
Package C-State Un-demotion.
Disabled[Default]
Enabled,
Package C-State Un-demotion.
Disabled[Default]
C0/C1 Maximum Package C State Limit Setting. Cpu
C2 Default: Leaves to Factory default value. Auto:
C3 Initializes to deepest available Package C State
Description