IBM 6221 用户手册
Turning
off
the
computer
When
you
turn
off
the
computer
and
leave
it
connected
to
ac
power,
the
computer
can
respond
to
remote
requests
to
turn
on
the
computer.
To
remove
all
power
from
the
computer,
you
must
disconnect
it
from
the
power
source.
Some
operating
systems
require
an
orderly
shutdown
before
you
turn
off
the
computer.
See
your
operating-system
documentation
for
information
about
shutting
down
the
operating
system.
Statement
5:
CAUTION:
The
power
control
button
on
the
device
and
the
power
switch
on
the
power
supply
do
not
turn
off
the
electrical
current
supplied
to
the
device.
The
device
also
might
have
more
than
one
power
cord.
To
remove
all
electrical
current
from
the
device,
ensure
that
all
power
cords
are
disconnected
from
the
power
source.
1
2
The
computer
can
be
turned
off
in
any
of
the
following
ways:
v
You
can
turn
off
your
computer
from
the
operating
system.
If
this
feature
is
supported
by
your
operating
system,
it
will
turn
off
the
computer
after
performing
an
orderly
shutdown
of
the
operating
system.
To
turn
off
the
computer
from
the
Microsoft
Windows
XP
operating
system,
click
start
→
Turn
Off
Computer;
then,
select
Turn
Off.
To
turn
off
the
computer
from
the
Red
Hat
Linux
operating
system,
click
Red
Hat
Linux
Main
Menu
Button
→
Logout
→
Shutdown;
then,
click
OK.
v
You
can
press
the
power-control
button
on
the
front
of
the
computer.
If
this
feature
is
supported
by
your
operating
system,
it
will
turn
off
the
computer
after
performing
an
orderly
shutdown
of
the
operating
system.
Note:
After
turning
off
the
computer,
wait
at
least
5
seconds
before
you
press
the
power-control
button
to
turn
on
the
computer
again.
v
You
can
press
and
hold
the
power-control
button
for
more
than
4
seconds
to
cause
an
immediate
shutdown
of
the
computer.
You
can
use
this
feature
to
turn
off
the
computer
if
the
operating
system
stops
functioning.
v
The
computer
can
turn
itself
off
as
an
automatic
response
to
a
critical
system
failure.
36
IBM
IntelliStation
Z
Pro
Type
6221:
Installation
Guide