IBM HS40 User Guide - Page 87

BladeCenter

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The following illustration shows the LEDs on the I/O board. Secondary IDE error LED (DS6H1) Primary IDE error LED (DS2H1) Board error (DS7A2) Processor board error LED (DS8A2) Light path diagnostics button (S8A1) Light path diagnostics LED (green) (DS8A1) BMC error LED (DS7B1) NMI error LED (DS7A3) Temperature error LED (DS7A4) I/O board error LED (DS7A1) The following example illustrates how to use the light path diagnostics to diagnose a system error: 1. Note that the blade-error LED on the control panel is lit. 2. Remove the blade server from the BladeCenter unit (see "Removing the blade server from the BladeCenter unit" on page 22). 3. Place the blade server on a flat, static-protective surface. 4. Remove the cover from the blade server (see "Opening the blade server cover" on page 24). 5. Press and hold the light path diagnostics button on the I/O board to relight the I/O board LEDs that were lit before you removed the blade server from the BladeCenter unit. The LEDs will remain lit for as long as you press the button, to a maximum of 25 seconds. 6. Press the I/O-tray release and rotate the I/O-tray open. The I/O tray is hinged and will support itself in the open position. 7. Press and hold the light path diagnostics button on the processor board to relight the processor board LEDs that were lit before you removed the blade server from the BladeCenter unit. The LEDs will remain lit for as long as you press the button, to a maximum of 25 seconds. Use the information in "Light path diagnostics LEDs" on page 74 to determine the cause of the error and the action you should take. Chapter 6. Solving problems 73

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The
following
illustration
shows
the
LEDs
on
the
I/O
board.
BMC error LED (DS7B1)
Primary IDE
error LED (DS2H1)
Secondary IDE
error LED (DS6H1)
Processor
board
error LED (DS8A2)
Board error
(DS7A2)
Light path
diagnostics
button (S8A1)
NMI error LED (DS7A3)
Temperature error LED (DS7A4)
I/O board error LED (DS7A1)
Light path
diagnostics LED (green)
(DS8A1)
The
following
example
illustrates
how
to
use
the
light
path
diagnostics
to
diagnose
a
system
error:
1.
Note
that
the
blade-error
LED
on
the
control
panel
is
lit.
2.
Remove
the
blade
server
from
the
BladeCenter
unit
(see
“Removing
the
blade
server
from
the
BladeCenter
unit”
on
page
22).
3.
Place
the
blade
server
on
a
flat,
static-protective
surface.
4.
Remove
the
cover
from
the
blade
server
(see
“Opening
the
blade
server
cover”
on
page
24).
5.
Press
and
hold
the
light
path
diagnostics
button
on
the
I/O
board
to
relight
the
I/O
board
LEDs
that
were
lit
before
you
removed
the
blade
server
from
the
BladeCenter
unit.
The
LEDs
will
remain
lit
for
as
long
as
you
press
the
button,
to
a
maximum
of
25
seconds.
6.
Press
the
I/O-tray
release
and
rotate
the
I/O-tray
open.
The
I/O
tray
is
hinged
and
will
support
itself
in
the
open
position.
7.
Press
and
hold
the
light
path
diagnostics
button
on
the
processor
board
to
relight
the
processor
board
LEDs
that
were
lit
before
you
removed
the
blade
server
from
the
BladeCenter
unit.
The
LEDs
will
remain
lit
for
as
long
as
you
press
the
button,
to
a
maximum
of
25
seconds.
Use
the
information
in
“Light
path
diagnostics
LEDs”
on
page
74
to
determine
the
cause
of
the
error
and
the
action
you
should
take.
Chapter
6.
Solving
problems
73