IBM HS40 Hardware Maintenance Manual - Page 19

Power-control, button, Power-on, Activity, Location, Information, Blade-error - drivers

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Power-control button: This button is located behind the control panel door. Press this button to manually turn the blade server on or off. Note: This button has effect only if local power control is enabled for the blade server. Local power control is enabled and disabled through the BladeCenter management module Web interface. Power-on LED: This green LED indicates the power status of the blade server in the following manner: v Flashing rapidly - The service processor on the blade server is handshaking with the BladeCenter management module. v Flashing slowly - The blade server has power but is not turned on. v Lit continuously - The blade server has power and is turned on. Activity LED: When this green LED is lit, it indicates that there is hard disk drive or network activity. Location LED: When this blue LED is lit, it has been turned on remotely by the system administrator to aid in visually locating the blade server. The location LED can be turned off through the BladeCenter management-module Web interface or through the IBM Director Console. 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 If there is no response when you press the keyboard/mouse/video select button, you can use the management-module Web interface to see whether local control has been disabled on 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. A blade server that occupies more than one blade bay is identified by the lowest bay number that it occupies. If you install the Microsoft® Windows® 2000 operating system on the blade server while it is not the current owner of the keyboard, video, and mouse, a delay of up to 1 minute occurs the first time you switch the keyboard, video, and mouse to the blade server. During this one-time-only delay, the blade server device manager enumerates the keyboard, video, and mouse and loads the device drivers. All subsequent switching takes place in the normal keyboard-video-mouse switching time frame (up to 20 seconds). Information LED: When this LED is lit, it indicates that a noncritical event has occurred. A light path diagnostics LED on the processor board or I/O board is also lit to help isolate the error. The information LED can be turned off through the BladeCenter management-module Web interface or through the IBM Director Console. Blade-error LED: When this amber LED is lit, it indicates that a system error has occurred in the blade server. The blade-error LED will turn off only after the error is corrected. Chapter 1. Introduction 9

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Power-control
button:
This
button
is
located
behind
the
control
panel
door.
Press
this
button
to
manually
turn
the
blade
server
on
or
off.
Note:
This
button
has
effect
only
if
local
power
control
is
enabled
for
the
blade
server.
Local
power
control
is
enabled
and
disabled
through
the
BladeCenter
management
module
Web
interface.
Power-on
LED:
This
green
LED
indicates
the
power
status
of
the
blade
server
in
the
following
manner:
v
Flashing
rapidly
-
The
service
processor
on
the
blade
server
is
handshaking
with
the
BladeCenter
management
module.
v
Flashing
slowly
-
The
blade
server
has
power
but
is
not
turned
on.
v
Lit
continuously
-
The
blade
server
has
power
and
is
turned
on.
Activity
LED:
When
this
green
LED
is
lit,
it
indicates
that
there
is
hard
disk
drive
or
network
activity.
Location
LED:
When
this
blue
LED
is
lit,
it
has
been
turned
on
remotely
by
the
system
administrator
to
aid
in
visually
locating
the
blade
server.
The
location
LED
can
be
turned
off
through
the
BladeCenter
management-module
Web
interface
or
through
the
IBM
Director
Console.
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
If
there
is
no
response
when
you
press
the
keyboard/mouse/video
select
button,
you
can
use
the
management-module
Web
interface
to
see
whether
local
control
has
been
disabled
on
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.
A
blade
server
that
occupies
more
than
one
blade
bay
is
identified
by
the
lowest
bay
number
that
it
occupies.
If
you
install
the
Microsoft
®
Windows
®
2000
operating
system
on
the
blade
server
while
it
is
not
the
current
owner
of
the
keyboard,
video,
and
mouse,
a
delay
of
up
to
1
minute
occurs
the
first
time
you
switch
the
keyboard,
video,
and
mouse
to
the
blade
server.
During
this
one-time-only
delay,
the
blade
server
device
manager
enumerates
the
keyboard,
video,
and
mouse
and
loads
the
device
drivers.
All
subsequent
switching
takes
place
in
the
normal
keyboard-video-mouse
switching
time
frame
(up
to
20
seconds).
Information
LED:
When
this
LED
is
lit,
it
indicates
that
a
noncritical
event
has
occurred.
A
light
path
diagnostics
LED
on
the
processor
board
or
I/O
board
is
also
lit
to
help
isolate
the
error.
The
information
LED
can
be
turned
off
through
the
BladeCenter
management-module
Web
interface
or
through
the
IBM
Director
Console.
Blade-error
LED:
When
this
amber
LED
is
lit,
it
indicates
that
a
system
error
has
occurred
in
the
blade
server.
The
blade-error
LED
will
turn
off
only
after
the
error
is
corrected.
Chapter
1.
Introduction
9