Kontron CP305 BIOS - Manual (Page 26)

Advanced Setup CP305 BIOS
Page 16 ID 1035-8356, Rev. 1.0
P R E L I M I N A R Y
Intel® SpeedStep™ tech. SDO
This function is used to specify the Intel® SpeedStep™ feature.
Optimal and Fail-Safe default settings: Enabled
Intel® C-STATE tech
Modern CPUs can be put into a deeper sleeping state when idle at the cost of longer wake-up
times. This function is used to prevent the OS from putting the CPU in a deeper sleep state
than C1.
Optimal and Fail-Safe default settings: Enabled
Enhanced C-States
When the CPU is idle, the OS can put the CPU into a halt state. This function is used to ex-
change the normal halt state by the extended one that also lowers the CPU voltage.
Optimal and Fail-Safe default settings: Enabled
SETTING DESCRIPTION
Disabled Use this setting to prevent the system from controlling the CPU frequency via the Intel®
SpeedStep™ function (GV3 technology). The CPU will run at maximum speed.
Enabled Use this setting to allow the operating system to control the CPU speed via the Intel®
SpeedStep™ function (GV3 technology). The BIOS will start with high CPU speed.
SETTING DESCRIPTION
Disabled Use this setting to prevent the OS from using any C-State except C1.
Enabled Use this setting to allow all supported C-States.
SETTING DESCRIPTION
Enabled Use this setting to enable the enhanced C1 state.
Disabled Use this setting to disable the enhanced C1 state.