IBM HS21 User Guide - Page 24

Control, panel, buttons - bladecenter e

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v If the operating system stops functioning, you can press and hold the power-control button for more than 4 seconds to turn off the blade server. v The management module can turn off the blade server: - If the system is not operating correctly, the management module will automatically turn off the blade server. - Through the management-module Web interface, you can also configure the management module to turn off the blade server. For additional information, see the IBM BladeCenter Management Module User's Guide. Control panel buttons and LEDs This section describes the controls and LEDs on the blade server. Note: The control panel door is shown in the closed position in the following illustration. To access the power-control button, you must open the control panel door. Activity LED Location LED KVM select button Information LED Blade-error LED Media-tray select button Power-control button Power-on LED Keyboard/video/mouse (KVM) select button: Press this button to associate the shared BladeCenter unit keyboard port, video port, and mouse port with the blade server. The LED on this button flashes while the request is being processed and then is lit when the ownership of the keyboard, video, and mouse has been transferred to the blade server. It can take approximately 20 seconds to switch the keyboard, video, and mouse control to the blade server. Using a keyboard that is directly attached to the management-module, you can press keyboard keys in the following sequence to switch KVM control between blade servers instead of using the KVM select button: NumLock NumLock blade_server_number Press enter blade_server_number is the two-digit number of the blade bay in which the blade server is installed. A blade server that occupies more than one blade bay is identified by the lowest bay number that it occupies. 12 BladeCenter HS21 Type 8853: Installation and User's Guide

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v
If
the
operating
system
stops
functioning,
you
can
press
and
hold
the
power-control
button
for
more
than
4
seconds
to
turn
off
the
blade
server.
v
The
management
module
can
turn
off
the
blade
server:
–
If
the
system
is
not
operating
correctly,
the
management
module
will
automatically
turn
off
the
blade
server.
–
Through
the
management-module
Web
interface,
you
can
also
configure
the
management
module
to
turn
off
the
blade
server.
For
additional
information,
see
the
IBM
BladeCenter
Management
Module
User’s
Guide
.
Control
panel
buttons
and
LEDs
This
section
describes
the
controls
and
LEDs
on
the
blade
server.
Note:
The
control
panel
door
is
shown
in
the
closed
position
in
the
following
illustration.
To
access
the
power-control
button,
you
must
open
the
control
panel
door.
KVM select button
Activity LED
Location LED
Information LED
Blade-error LED
Media-tray select
button
Power-control button
Power-on LED
Keyboard/video/mouse
(KVM)
select
button:
Press
this
button
to
associate
the
shared
BladeCenter
unit
keyboard
port,
video
port,
and
mouse
port
with
the
blade
server.
The
LED
on
this
button
flashes
while
the
request
is
being
processed
and
then
is
lit
when
the
ownership
of
the
keyboard,
video,
and
mouse
has
been
transferred
to
the
blade
server.
It
can
take
approximately
20
seconds
to
switch
the
keyboard,
video,
and
mouse
control
to
the
blade
server.
Using
a
keyboard
that
is
directly
attached
to
the
management-module,
you
can
press
keyboard
keys
in
the
following
sequence
to
switch
KVM
control
between
blade
servers
instead
of
using
the
KVM
select
button:
NumLock
NumLock
blade_server_number
Press
enter
blade_server_number
is
the
two-digit
number
of
the
blade
bay
in
which
the
blade
server
is
installed.
A
blade
server
that
occupies
more
than
one
blade
bay
is
identified
by
the
lowest
bay
number
that
it
occupies.
12
BladeCenter
HS21
Type
8853:
Installation
and
User’s
Guide