IBM HS20 User Guide - Page 80

Light, diagnostics, table

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Light path diagnostics table Use Table 5 to help determine the cause of the error and the action you should take. Power is available to relight the light path diagnostics LEDs for a short period of time after the blade server is removed from the BladeCenter unit. During that period of time, you can relight the light path diagnostics LEDs for a maximum of 25 seconds (or less, depending on the number of LEDs that are lit and the length of time the blade server is removed from the BladeCenter unit) by pressing the light path diagnostics button. The light path diagnostics power present LED (CR111) lights when the light path diagnostics button is pressed if power is available to relight the blade-error LEDs. If the light path diagnostics power present LED does not light when the light path diagnostics button is pressed, no power is available to light the blade-error LEDs, and they will be unable to provide any diagnostic information. Note: The illustrations in this document might differ slightly from your hardware. Processor mismatch error LED (CR110) Processor 2 error LED (CR13) NMI error LED (CR17) Temperature error LED (CR31) System board error LED (CR30) Light path diagnostics power present LED (CR111) Reserved (SW3) Light path diagnostics button (SW4) IDE bus 1 error LED (CR14) IDE bus 2 error LED (CR28) DIMM 1 error LED (CR3) Processor 1 error LED (CR12) DIMM 2 error LED (CR5) DIMM 3 error LED (CR4) DIMM 4 error LED (CR6) 66 BladeCenter HS20 Type 8832: Installation and User's Guide

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Light
path
diagnostics
table
Use
Table
5
to
help
determine
the
cause
of
the
error
and
the
action
you
should
take.
Power
is
available
to
relight
the
light
path
diagnostics
LEDs
for
a
short
period
of
time
after
the
blade
server
is
removed
from
the
BladeCenter
unit.
During
that
period
of
time,
you
can
relight
the
light
path
diagnostics
LEDs
for
a
maximum
of
25
seconds
(or
less,
depending
on
the
number
of
LEDs
that
are
lit
and
the
length
of
time
the
blade
server
is
removed
from
the
BladeCenter
unit)
by
pressing
the
light
path
diagnostics
button.
The
light
path
diagnostics
power
present
LED
(CR111)
lights
when
the
light
path
diagnostics
button
is
pressed
if
power
is
available
to
relight
the
blade-error
LEDs.
If
the
light
path
diagnostics
power
present
LED
does
not
light
when
the
light
path
diagnostics
button
is
pressed,
no
power
is
available
to
light
the
blade-error
LEDs,
and
they
will
be
unable
to
provide
any
diagnostic
information.
Note:
The
illustrations
in
this
document
might
differ
slightly
from
your
hardware.
DIMM 1 error
LED (CR3)
DIMM 2 error
LED (CR5)
DIMM 3 error
LED (CR4)
DIMM 4 error
LED (CR6)
Processor 1
error LED (CR12)
Processor 2
error LED (CR13)
Light path
diagnostics button
(SW4)
Temperature
error LED
(CR31)
NMI error
LED (CR17)
System board
error LED
(CR30)
IDE bus 1 error
LED (CR14)
IDE bus 2 error
LED (CR28)
Processor mismatch
error LED (CR110)
Light path diagnostics
power present
LED (CR111)
Reserved (SW3)
66
BladeCenter
HS20
Type
8832:
Installation
and
User’s
Guide