v
The
management
module
can
turn
off
the
blade
server.
Understanding
the
control
panel
and
LEDs
This
section
describes
the
controls
and
LEDs
on
the
BladeCenter
HS20
blade
server.
Note:
The
control
panel
door
is
shown
in
the
closed
(normal)
position
in
the
following
illustration.
To
access
the
power-control
button,
you
must
open
the
control
panel
door.
Blade-error LED
Information LED
Location LED
Activity LED
Power-on LED
CD/diskette/USB
select button
Keyboard/mouse/video
select button
Power-control button
Keyboard/mouse/video
(KVM)
select
button:
Press
this
button
to
associate
the
shared
BladeCenter
unit
keyboard
port,
mouse
port,
and
video
port
with
the
blade
server.
The
LED
on
this
button
flashes
while
the
request
is
being
processed
then
is
lit
when
the
ownership
of
the
keyboard,
mouse,
and
video
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.
You
can
also
press
keyboard
keys
in
the
following
sequence
to
switch
keyboard/mouse/video
control
between
blade
servers:
NumLock
NumLock
blade_server_number
Enter
Where
blade_server_number
is
the
two-digit
number
for
the
blade
bay
in
which
the
blade
server
is
installed.
Although
the
keyboard
that
is
attached
to
the
BladeCenter
unit
is
a
PS/2
®
-style
keyboard,
internal
communication
with
it
is
through
the
USB.
The
operating
system
in
the
blade
server
must
provide
USB
support
for
the
blade
server
to
recognize
and
use
the
keyboard
and
mouse.
When
you
are
not
running
an
operating
system
that
has
USB
device
drivers,
such
as
in
the
following
situations,
the
keyboard
responds
very
slowly:
v
Running
the
blade
server
integrated
diagnostics
v
Running
a
BIOS
update
diskette
on
a
blade
server
v
Updating
the
diagnostics
on
a
blade
server
v
Running
the
Broadcom
firmware
CD
for
a
blade
server
If
there
is
no
response
when
you
press
the
keyboard/mouse/video
select
button,
you
can
use
the
management-module
Web
interface
to
determine
whether
local
control
has
been
disabled
on
the
blade
server.
12
Eserver
BladeCenter
HS20
Type
8843:
Installation
and
User’s
Guide
Summary of Contents for BladeCenter HS20 Type 8843
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