IBM QS21 Service Guide - Page 70

Finding, troubleshooting, information, Troubleshooting, charts, Problems, indicated, front, panel

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Finding troubleshooting information Table 2 describes where to find troubleshooting information in this section. Note: Many components, including the CPU, RAM and power supplies cannot be exchanged in the field. The only replaceable parts are the optional SAS daughter card, battery, front bezel assembly, I/O buffer DIMM memory, and the optional InfiniBand card. Table 2. Where to find troubleshooting information Component Where to find information SAS expansion card Front bezel High-speed InfiniBand expansion card "Solving undetermined problems" on page 95 Memory "Boot errors and handling" on page 72 LEDs Power Network connections Service processor Software problems "Troubleshooting charts" on page 52 For troubleshooting information about other BladeCenter components, see the appropriate Problem Determination and Service Guide, and other product-specific documentation. See "Related documentation" on page 1 for additional information. For the latest editions of the IBM BladeCenter documentation, go to http://www.ibm.com/support/us/en/ on the World Wide Web. Troubleshooting charts The following tables list problem symptoms and suggested solutions. If you cannot find the problem in the troubleshooting charts, or if carrying out the suggested steps do not solve the problem, have the blade server serviced. If you have problems with an adapter, monitor, keyboard, mouse, or power module, see the Problem Determination and Service Guide that comes with your BladeCenter unit for more information. If you have problems with an Ethernet switch module, I/O adapter, or other optional device that can be installed in the BladeCenter unit, see the Problem Determination and Service Guide or other documentation that comes with the device for more information. Problems indicated by the front panel LEDs The state of the LEDs on the front of the blade can help in isolating problems. 52 BladeCenter QS21 Type 0792: Problem Determination and Service Guide

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Finding
troubleshooting
information
Table
2
describes
where
to
find
troubleshooting
information
in
this
section.
Note:
Many
components,
including
the
CPU,
RAM
and
power
supplies
cannot
be
exchanged
in
the
field.
The
only
replaceable
parts
are
the
optional
SAS
daughter
card,
battery,
front
bezel
assembly,
I/O
buffer
DIMM
memory,
and
the
optional
InfiniBand
card.
Table
2.
Where
to
find
troubleshooting
information
Component
Where
to
find
information
SAS
expansion
card
Front
bezel
High-speed
InfiniBand
expansion
card
“Solving
undetermined
problems”
on
page
95
Memory
“Boot
errors
and
handling”
on
page
72
LEDs
Power
Network
connections
Service
processor
Software
problems
“Troubleshooting
charts”
on
page
52
For
troubleshooting
information
about
other
BladeCenter
components,
see
the
appropriate
Problem
Determination
and
Service
Guide
,
and
other
product-specific
documentation.
See
“Related
documentation”
on
page
1
for
additional
information.
For
the
latest
editions
of
the
IBM
BladeCenter
documentation,
go
to
on
the
World
Wide
Web.
Troubleshooting
charts
The
following
tables
list
problem
symptoms
and
suggested
solutions.
If
you
cannot
find
the
problem
in
the
troubleshooting
charts,
or
if
carrying
out
the
suggested
steps
do
not
solve
the
problem,
have
the
blade
server
serviced.
If
you
have
problems
with
an
adapter,
monitor,
keyboard,
mouse,
or
power
module,
see
the
Problem
Determination
and
Service
Guide
that
comes
with
your
BladeCenter
unit
for
more
information.
If
you
have
problems
with
an
Ethernet
switch
module,
I/O
adapter,
or
other
optional
device
that
can
be
installed
in
the
BladeCenter
unit,
see
the
Problem
Determination
and
Service
Guide
or
other
documentation
that
comes
with
the
device
for
more
information.
Problems
indicated
by
the
front
panel
LEDs
The
state
of
the
LEDs
on
the
front
of
the
blade
can
help
in
isolating
problems.
52
BladeCenter
QS21
Type
0792:
Problem
Determination
and
Service
Guide