Lenovo Portable Computer User Guide
Chapter
2
More
understanding
After
you
are
familiar
with
the
basic
hardware
and
software
operation,
the
following
content
will
let
you
get
more
understanding
about
your
notebook
computer.
2.1
Set
up
and
maintain
the
computer
2.1.1
Power
management
The
notebook
computer
has
a
series
of
automatic
adjustable
power
‐
saving
facilities
called
power
management.
Power
management
will
try
to
change
some
system
components
from
high
power
consumption
to
lower
level
and
ensure
the
computer
operates
at
higher
performance
and
lower
power
consumption.
This
computer
has
built
‐
in
power
management.
It
can
force
the
computer
into
standby
or
hibernation
mode
under
pre
‐
defined
conditions.
Using
the
power
management
properly
can
extend
the
battery’s
operating
time.
This
computer
supports
ACPI
(Advanced
Configuration
and
Power
Interface)
power
management
standard.
ACPI
also
needs
the
Operating
Systems
which
support
ACPI
(such
as:
Microsoft
Windows
Me
，
Microsoft
Windows
2000
，
Microsoft
Windows
XP).
In
Microsoft
Windows
XP
and
Microsoft
Windows
2000,
ACPI
will
overlaid
the
BIOS
power
management
setting
and
take
over
the
computer
power
management.
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