IBM 2681 Hardware Maintenance Manual - Page 38

Hibernation

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Related service information v If the battery indicator blinks orange, indicating that the battery power is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into hibernation mode.) Note for the APM operating system: Even if you do not set the low-battery alarm, the charge indicator notifies you when the battery is low, and then the 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, the computer automatically returns from standby mode and resumes operation in either of the following events: v The ring indicator (RI) is signaled by a serial device or a PC Card device (Windows 2000 does not support the ring indicator (RI) resume by PC Card device.) v The time set on the resume timer elapses. In Windows 98, the Scheduled Tasks setting takes priority over the Resume on timer selection in the "Power Management Properties" window. 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 Windows NT If you are using Windows NT in the default format, NTFS, you cannot create a hibernation file. If you want to use hibernation mode, you will need to reinstall Windows NT with FAT format. In hibernation mode, the following occurs: v The system status, RAM, VRAM, and setup data are stored on the hard disk. 34 ThinkPad R40

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v
If
the
battery
indicator
blinks
orange,
indicating
that
the
battery
power
is
low.
(Alternatively,
if
Hibernate
when
battery
becomes
low
has
been
selected
in
the
“
Power
Management
Properties
”
window,
the
computer
goes
into
hibernation
mode.)
Note
for
the
APM
operating
system:
Even
if
you
do
not
set
the
low-battery
alarm,
the
charge
indicator
notifies
you
when
the
battery
is
low,
and
then
the
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,
the
computer
automatically
returns
from
standby
mode
and
resumes
operation
in
either
of
the
following
events:
v
The
ring
indicator
(RI)
is
signaled
by
a
serial
device
or
a
PC
Card
device
(Windows
2000
does
not
support
the
ring
indicator
(RI)
resume
by
PC
Card
device.)
v
The
time
set
on
the
resume
timer
elapses.
In
Windows
98,
the
Scheduled
Tasks
setting
takes
priority
over
the
Resume
on
timer
selection
in
the
“
Power
Management
Properties
”
window.
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
Windows
NT
If
you
are
using
Windows
NT
in
the
default
format,
NTFS,
you
cannot
create
a
hibernation
file.
If
you
want
to
use
hibernation
mode,
you
will
need
to
reinstall
Windows
NT
with
FAT
format.
In
hibernation
mode,
the
following
occurs:
v
The
system
status,
RAM,
VRAM,
and
setup
data
are
stored
on
the
hard
disk.
Related
service
information
34
ThinkPad
R40