Power
Software Guide
2–13
2. Use the arrow keys to select Advanced > Device Options.
Under Intel SpeedStep Technology:
❏
Select Automatic to enable all SpeedStep settings in the
SpeedStep window.
❏
Select Disable to set the notebook to run in Battery
Optimized mode and disable all SpeedStep settings in the
SpeedStep window.
3. To save your preferences, use the arrow keys to select
File > Save Changes and Exit, then follow the instructions on
the screen.
Your preferences are set as you exit Computer Setup and are
in effect when the notebook restarts.
Windows XP Processor Controls
In Windows XP, processor performance controls are included
with the operating system and managed in the Power Options
window.
Accessing XP Processor Controls
To access Windows XP processor performance controls, select
Start > Control Panel > Performance and Maintenance > Power
Options > Power Schemes tab.
You can set the desired Power Scheme that sets the processor
controls. Each Power Scheme for AC power or battery power
equates to one of the following processor levels:
■
Constant: Always runs at the lowest performance state.
■
Adaptive: Performance state is selected based on CPU
demand.
■
Degrade: Starts at lowest performance state, then uses linear
performance reduction (stop clock throttling) as the battery
discharges.
■
None: Always runs at the highest performance state.
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