Hibernation mode – Lenovo THINKPAD T41/T41P User Manual
Page 39
computer
enters
the
power-saving
mode
automatically.
This
default
low-battery
behavior
is
independent
of
the
operating
system;
so
if
you
have
set
the
low-battery
alarm,
the
computer
may
not
do
what
you
specified.
It
chooses
either
your
setting
or
the
default
setting,
whichever
is
appropriate.
If
you
are
using
the
ACPI
operating
system,
only
the
low-battery
alarm
is
available.
To
cause
the
computer
to
return
from
standby
mode
and
resume
operation,
do
one
of
the
following:
v
Press
the
Fn
key.
v
Open
the
LCD
cover.
v
Turn
on
the
power
switch.
Also,
in
either
of
the
following
events,
the
computer
automatically
returns
from
standby
mode
and
resumes
operation:
v
The
ring
indicator
(RI)
is
signaled
by
a
serial
device
or
a
PC
Card
device.
v
The
time
set
on
the
resume
timer
elapses.
Note:
The
computer
does
not
accept
any
input
immediately
after
it
enters
standby
mode.
Wait
a
few
seconds
before
taking
any
action
to
reenter
operation
mode.
Hibernation
mode
Note
for
OS/2
If
you
are
using
OS/2
in
the
default
format,
HPFS,
you
cannot
create
a
hibernation
file.
If
you
want
to
use
hibernation
mode,
you
will
need
to
reinstall
OS/2
with
FAT
format.
In
hibernation
mode,
the
following
occurs:
v
The
system
status,
RAM,
VRAM,
and
setup
data
are
stored
on
the
hard
disk.
v
The
system
is
powered
off.
Note:
If
the
computer
enters
the
hibernation
mode
while
it
is
docked
to
the
docking
station,
do
not
undock
it
before
resuming
normal
operation.
If
you
do
undock
it
and
then
try
to
resume
normal
operation,
you
will
get
an
error
message,
and
you
will
have
to
restart
the
system.
To
cause
the
computer
to
enter
hibernation
mode,
do
any
of
the
following:
v
Press
the
Fn+F12
keys.
Related
service
information
General
descriptions
33