Chapter
2.
Power,
controls,
and
indicators
This
chapter
describes
the
power
features,
how
to
turn
on
and
turn
off
the
blade
server,
and
what
the
controls
and
indicators
mean.
This
chapter
also
identifies
the
system-board
connectors.
Turning
on
the
blade
server
After
you
connect
the
blade
server
to
power
through
the
BladeCenter
unit,
the
blade
server
can
start
in
any
of
the
following
ways:
v
You
can
press
the
power-control
button
on
the
front
of
the
blade
server
(behind
the
control
panel
door,
see
“Control
panel
buttons
and
LEDs”
on
page
12)
to
start
the
blade
server.
Notes:
1.
Wait
until
the
power-on
LED
on
the
blade
server
flashes
slowly
before
you
press
the
power-control
button.
While
the
service
processor
in
the
management
module
is
initializing,
the
power-on
LED
does
not
flash,
and
the
power-control
button
on
the
blade
server
does
not
respond.
2.
While
the
blade
server
is
starting,
the
power-on
LED
on
the
front
of
the
blade
server
is
lit.
See
“Control
panel
buttons
and
LEDs”
on
page
12
for
the
power-on
LED
states.
v
If
a
power
failure
occurs,
the
BladeCenter
unit
and
then
the
blade
server
can
start
automatically
when
power
is
restored,
if
the
blade
server
is
configured
through
the
management
module
to
do
so.
v
You
can
turn
on
the
blade
server
remotely
by
using
the
management
module.
v
If
the
blade
server
is
connected
to
power
(the
power-on
LED
is
flashing
slowly),
the
operating
system
supports
the
Wake
on
LAN
feature,
and
the
Wake
on
LAN
feature
has
not
been
disabled
through
the
management
module,
the
Wake
on
LAN
feature
can
turn
on
the
blade
server.
Turning
off
the
blade
server
When
you
turn
off
the
blade
server,
it
is
still
connected
to
power
through
the
BladeCenter
unit.
The
blade
server
can
respond
to
requests
from
the
service
processor,
such
as
a
remote
request
to
turn
on
the
blade
server.
To
remove
all
power
from
the
blade
server,
you
must
remove
it
from
the
BladeCenter
unit.
Shut
down
the
operating
system
before
you
turn
off
the
blade
server.
See
the
operating-system
documentation
for
information
about
shutting
down
the
operating
system.
The
blade
server
can
be
turned
off
in
any
of
the
following
ways:
v
You
can
press
the
power-control
button
on
the
blade
server
(behind
the
control
panel
door,
see
“Control
panel
buttons
and
LEDs”
on
page
12).
This
starts
an
orderly
shutdown
of
the
operating
system,
if
this
feature
is
supported
by
the
operating
system.
©
Copyright
IBM
Corp.
2007
11
Summary of Contents for HS21 - BladeCenter - 8853
Page 3: ...BladeCenter HS21 Type 8853 Installation and User s Guide...
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Page 80: ...Part Number 44W1496 Printed in USA 1P P N 44W1496...
