HP Compaq Presario,Presario V4000 Hardware And Software Manual page 42

Power
Different states may be used, depending on whether the notebook
is running on external or battery power. After a power scheme
has been set, no other intervention is required to control the
performance of your notebook processor. The following table
describes the processor performance on external and battery
power for the available power schemes.
Power Scheme
Home/Office Desk
Portable/Laptop
Presentation
Always On
Minimal Power
Management
Max Battery
2–14
Processor Performance
While on External Power
Always runs at the highest
performance state.
Performance state is
determined based on
CPU demand.
Performance state is
determined based on
CPU demand.
Always runs at the highest
performance state.
Performance state is
determined based on
CPU demand.
Performance state is
determined based on
CPU demand.
Processor Performance
While on Battery Power
Performance state is
determined based on
CPU demand.
Performance state is
determined based on
CPU demand.
Runs at the lowest possible
performance state.
Always runs at the highest
performance state.
Performance state is
determined based on
CPU demand.
Runs at the lowest possible
performance state.
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