IBM 8671 Hardware Maintenance Manual - Page 19

Turning, server, Standby - review

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Complete the following steps to manually turn on the server: 1. Review the information in "Safety information" on page 169. 2. Turn on all external devices, such as the monitor. 3. Plug the server power cords into the power source. 4. Press the power-control button on the front of the server. Note: While the server is powering up, the power-on LED on the front of the server is lit. Turning off the server Turning off the server refers to the act of disconnecting the server from the power source. Complete the following steps to manually turn off the server: 1. Review the information in "Safety information" on page 169. 2. See your operating system documentation for the proper procedure to shut 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. 2 1 3. Press the power-control button on the front of the server. This will put the server in Standby mode. Note: You might need to press and hold the power-control button for more than 4 seconds to cause an immediate shutdown of the server and to force it into Standby mode. You can use this feature if the operating system stops functioning. 4. Disconnect the server from the power source. Note: After disconnecting all the power cords, wait approximately 15 seconds for your system to stop running. Watch for the power-on LED on the front of the server to stop flashing. Standby mode Standby mode refers to the condition in which the server is connected to an ac power source but the server operating system is not running and all core logic is shut down except for the service processor. In Standby mode, the server can respond to service processor requests, such as a remote request to turn on the server. When the server is in Standby mode, the power-on LED on the front of the server flashes (when the server is running, the power-on LED stays on and does not flash). Chapter 1. General information 9

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Complete
the
following
steps
to
manually
turn
on
the
server:
1.
Review
the
information
in
“Safety
information”
on
page
169.
2.
Turn
on
all
external
devices,
such
as
the
monitor.
3.
Plug
the
server
power
cords
into
the
power
source.
4.
Press
the
power-control
button
on
the
front
of
the
server.
Note:
While
the
server
is
powering
up,
the
power-on
LED
on
the
front
of
the
server
is
lit.
Turning
off
the
server
Turning
off
the
server
refers
to
the
act
of
disconnecting
the
server
from
the
power
source.
Complete
the
following
steps
to
manually
turn
off
the
server:
1.
Review
the
information
in
“Safety
information”
on
page
169.
2.
See
your
operating
system
documentation
for
the
proper
procedure
to
shut
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
3.
Press
the
power-control
button
on
the
front
of
the
server.
This
will
put
the
server
in
Standby
mode.
Note:
You
might
need
to
press
and
hold
the
power-control
button
for
more
than
4
seconds
to
cause
an
immediate
shutdown
of
the
server
and
to
force
it
into
Standby
mode.
You
can
use
this
feature
if
the
operating
system
stops
functioning.
4.
Disconnect
the
server
from
the
power
source.
Note:
After
disconnecting
all
the
power
cords,
wait
approximately
15
seconds
for
your
system
to
stop
running.
Watch
for
the
power-on
LED
on
the
front
of
the
server
to
stop
flashing.
Standby
mode
Standby
mode
refers
to
the
condition
in
which
the
server
is
connected
to
an
ac
power
source
but
the
server
operating
system
is
not
running
and
all
core
logic
is
shut
down
except
for
the
service
processor.
In
Standby
mode,
the
server
can
respond
to
service
processor
requests,
such
as
a
remote
request
to
turn
on
the
server.
When
the
server
is
in
Standby
mode,
the
power-on
LED
on
the
front
of
the
server
flashes
(when
the
server
is
running,
the
power-on
LED
stays
on
and
does
not
flash).
Chapter
1.
General
information
9