Compaq Evo n610c Compaq Evo Notebook N410c Series and Evo Notebook N610c Serie - Page 24

Using SpeedStep (Windows 2000 Professional Only), Choosing a Performance Mode

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Page 24 highlights

Power Using SpeedStep (Windows 2000 Professional Only) In Windows 2000 Professional, the Intel Pentium 4 Processor with SpeedStep technology enables you to set the processor speed for optimal performance or optimal power conservation. The SpeedStep technology can also enable an automatic change in CPU (central processing unit) speed when the power source changes between AC power and battery power, or when notebook use changes between active and idle. These changes in CPU speed function independently from the power management settings available through the operating system. For information about using Windows power management features, see "Setting Power Management Options" earlier in this chapter. ✎ In Windows XP Professional, the functions of SpeedStep technology are managed through the operating system, and no user intervention is required. Choosing a Performance Mode The SpeedStep technology offers 3 preset performance modes: ■ In Maximum Performance mode, the processor runs at full speed to provide maximum performance. ■ In Automatic mode, the processor speed increases while the notebook is being used and decreases when the notebook is not being used. ■ In Battery Optimized mode, the processor runs at a reduced speed to provide an optimal balance between energy conservation and performance. Also, the processor runs at a greatly reduced speed to provide maximum energy conservation. The notebook can run in any of the performance modes while it is operating on AC power or on battery power. 1-18 Software Guide

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1–18
Software Guide
Power
Using SpeedStep
(Windows 2000 Professional Only)
In Windows 2000 Professional, the Intel Pentium 4 Processor
with SpeedStep technology enables you to set the processor speed
for optimal performance or optimal power conservation.
The SpeedStep technology can also enable an automatic change
in CPU (central processing unit) speed when the power source
changes between AC power and battery power, or when notebook
use changes between active and idle.
These changes in CPU speed function independently from the
power management settings available through the operating
system. For information about using Windows power
management features, see “Setting Power Management Options”
earlier in this chapter.
✎
In Windows XP Professional,
the functions of SpeedStep
technology are managed through the operating system, and no
user intervention is required.
Choosing a Performance Mode
The SpeedStep technology offers 3 preset performance modes:
■
In Maximum Performance mode,
the processor runs at full
speed to provide maximum performance.
■
In Automatic mode,
the processor speed increases while the
notebook is being used and decreases when the notebook is
not being used.
■
In Battery Optimized mode,
the processor runs at a reduced
speed to provide an optimal balance between energy
conservation and performance. Also, the processor runs at a
greatly reduced speed to provide maximum energy
conservation.
The notebook can run in any of the performance modes while it is
operating on AC power or on battery power.