Sony PCG-SR21K Software Guide
About
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Customizing your notebook
22
Activating power management commands
PowerPanel provides power management commands that you can use to activate specific power
management functions and to control power for a specific device. You might use these commands when you
want to override a profile setting or initiate an immediate action.
management functions and to control power for a specific device. You might use these commands when you
want to override a profile setting or initiate an immediate action.
Selecting automatic profiles
A Power Profile is a set of timer values for a variety of system devices. PowerPanel automatically selects the
profile associated with the application you are using and changes profiles as you switch between
applications.
profile associated with the application you are using and changes profiles as you switch between
applications.
Power Management lets your system enter energy saving modes by levelling some energy consuming
parameters, such as LCD brightness, or hard disk activity.
parameters, such as LCD brightness, or hard disk activity.
To select automatic profiles, proceed as follows:
1
Right-click the PowerPanel battery status icon on the taskbar and select Profiles.
2
Select Automatic Profile Selection.
You can customize the PowerPanel taskbar to suit your portable computing needs. You can edit the pre-defined Power Management settings or
create new profiles.
create new profiles.
Icon
Description
System Idle - This mode is convenient if you do not need to use your computer for a short period. The
hard disk and the video display enter a low power state and the CPU clock and processor stop. To return
the system to the active state, press any key or the power switch on your computer.
hard disk and the video display enter a low power state and the CPU clock and processor stop. To return
the system to the active state, press any key or the power switch on your computer.
System Suspend – Puts the system into System Suspend mode, a power management state that saves
the state of the system and peripheral devices in memory (RAM). Power consumption reduces to a
minimum, and the system remains on. To return the system to the active state, press any key or the power
switch on your computer.
the state of the system and peripheral devices in memory (RAM). Power consumption reduces to a
minimum, and the system remains on. To return the system to the active state, press any key or the power
switch on your computer.
System Hibernation – Provides for the lowest level of power consumption. The system writes the state
of the system and peripheral devices to the hard disk and turns off the system power. To return the system
to the original state, use the power switch to turn on power.
of the system and peripheral devices to the hard disk and turns off the system power. To return the system
to the original state, use the power switch to turn on power.