Acer Note Nuovo Bedienungsanleitung PDF herunterladen (Seite 70)

3-10 User’s Manual

3.2 Power Management

At the very heart of this notebook is a new way of power management called

Heuristic Power Management (HPM). Part of the notebook’s overall design,

this power management method allows the notebook to provide maximum

power conservation

and

maximum performance.

3.2.1 The Concept of Heuristics

Current power management schemes or methods used by notebooks are

timer-based. You have to set various time-out values for the display, the

hard disk and other devices. Then based on these fixed time-outs, the

system puts itself to sleep when it detects inactivity within this time frame.

The problem with this is — no two users are alike. Each individual user has

his or her own habits when using the computer. In short, timer-based power

management is not an effective way to power-manage a system.

Heuristics suggests an idea of “self-learning”. HPM allows the system to

power-manage itself depending on how you use the machine. In effect, the

notebook delivers maximum power when you need it and saves power when

you don’t need as much power, without requiring user intervention. There

are no timers to set, nothing to enable or disable, because the system

figures out everything for you.

Analogy on Heuristics

You normally walk to a grocery store. If you cross the street, you might have

to walk a bit faster, or even run. Whether you walk or run depends upon

situations that are not fixed.

The same should be true for computers. A computer should know when to

operate at full power and when to operate at anything less than full power.

Timer-based power management operates by a fixed set of rules which

cannot adapt to dynamic situations. Heuristic power management allows the

computer to adapt to dynamic situations.

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Acer Note Nuovo Bedienungsanleitung Seite 70