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5
Chapter
69
Troubleshooting and Repair
Introduction
The
procedures
presented
or
referenced
in
this
chapter
detail
removal
and
replacement
of
CPM
Field
Replaceable
Units
(FRUs)
and
provide
troubleshooting
procedures
that
can
be
used
to
discover
FRU’s
that
need
to
be
repaired
or
replaced.
The
following
CPM
‐
related
items
can
be
installed
or
replaced:
•
The
CPM
itself.
For
installation
instructions,
see
the
ATCA
‐
4xxx
Compute
Processing
Module
Installation
Guide
.
For
replacement
instructions,
see
CPM
replacement
procedures
on
page 71.
•
The
DIMMs.
For
placement
information
and
installation
and
removal
instructions,
see
Memory
module
replacement
procedures
on
page 73.
•
An
MXM
module.
For
installation
or
removal
procedures,
see
MXM
module
installation/replacement
procedures
on
page 75.
•
The
eUSB
modules.
For
installation
or
removal
procedures,
see
eUSB
module
installation/replacement
procedures
on
page 76.
•
A
compatible
RTM.
For
installation
and
removal
instructions,
see
the
Rear
Transition
Module
Installation
Guide
.
Refer
to
Troubleshooting
Topics
on
page 77
for
troubleshooting
procedures
to
use
on
the
CPM.
Field Replaceable Units (FRUs)
FRU
information
is
stored
in
non
‐
volatile
memory
and
is
used
by
the
IPMC
to
locate
and
communicate
with
the
available
FRUs.
The
CPM
stores
its
FRU
information
in
compliance
with
these
specifications:
•
IPMI
Platform
Management
FRU
Information
Storage
Definition
,
v1.0,
Revision
1.1
•
PICMG
3.0
Revision
2.0
AdvancedTCA
Base
Specification
The
rsys
‐
ipmitool
utility
can
retrieve
all
FRU
information,
including
backplane
E
‐
Keying
and
on
‐
board
E
‐
Keying
information.
FRU information areas used
The
CPM
provides
this
FRU
information:
•
Common
header
•
Internal
use
area
•
Board
information
area
•
Product
information
area
•
Multirecord
area