Chapter
2.
Diagnostic
Overview
The
system
uses
an
integrated
set
of
software
diagnostic
procedures
to
help
isolate
failing
components
and
system
maintenance.
This
book,
along
with
the
RS/6000
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
,
is
the
basis
of
the
diagnostic
procedures
for
the
system.
In
particular,
Chapter
4,
“Checkpoints,”
on
page
131,
Chapter
5,
“Error
Code
to
FRU
Index,”
on
page
159,
Chapter
6,
“Using
the
Online
and
Standalone
Diagnostics,”
on
page
217,
and
Chapter
10,
“Parts
Information,”
on
page
365,
in
this
book
are
important
for
the
trained
service
representative
to
understand
and
use
when
isolating
a
failure
on
the
system.
The
manufacturer
recommends
that
systems
configured
with
4
GB
of
memory
or
greater
have
access
to
a
4-mm
or
8-mm
tape
drive
for
submission
of
system
dump
information
if
required.
This
function
can
be
accomplished
through
locally
attached
or
network-attached
devices,
as
appropriate.
Maintenance
Analysis
Procedures
(MAPs)
Maintenance
Analysis
Procedures
(MAPs)
guide
the
trained
service
representative
through
the
system.
These
MAPs
are
the
entry
point
for
all
isolation
and
error
recovery
procedures.
The
MAPs
are
consistent
with
existing
procedures
and
methods.
The
system
uses
a
set
of
integrated
procedures,
mentioned
earlier,
to
which
the
MAPs
are
the
primary
entry
point.
The
MAPS
are
as
follows:
v
Entry
MAP
v
Quick
Entry
MAP
v
MAP
1020:
Problem
Determination
MAP
v
MAP
1240:
Memory
Problem
Resolution
v
MAP
1320:
Service
Focal
Point
Procedures
v
MAP
1321:
Quick
Entry
MAP
for
Systems
with
Service
Focal
Point.
This
MAP
contains
information
for
systems
not
running
the
AIX
operating
system.
v
MAP
1322:
End
of
Call
MAP
for
Systems
with
Service
Focal
Point
v
MAP
1520:
Power
MAP
v
MAP
1521:
The
Base
System
Drawer
will
not
Power
On
and
No
Error
Codes
are
Available
v
MAP
1522:
Cannot
Power
On
the
I/O
Drawer,
Power
Present
LED
Does
Not
Come
On
v
MAP
1523:
The
SPCN
Error
Codes
Table
Directed
You
Here
and
the
Error
Code
is
1011
1B0x
v
MAP
1540:
Problem
Isolation
Procedures
v
MAP
1541:
JTAG
Problem
Isolation
v
MAP
1548:
Processor
Subsystem
Problem
Isolation
v
MAP
1549:
Attention
Problem
Isolation
The
Entry
Map
is
the
starting
point
for
problem
determination.
The
purpose
of
this
MAP
is
to
quickly
point
to
the
appropriate
MAP
or
service
reference
information
either
in
this
book,
or
in
the
common
book
set,
which
includes
the
RS/6000
Eserver
pSeries
Diagnostic
Information
for
Multiple
Bus
Systems
and
PCI
Adapter
Placement
Reference
.
The
Quick
Entry
MAP
is
a
subset
of
the
Entry
MAP
and
helps
to
save
time
for
some
types
of
problems.
The
Problem
Determination
MAP
provides
a
structured
analysis
method
to
get
an
error
code
if
one
is
not
provided
by
the
customer,
or
if
diagnostics
cannot
be
loaded.
The
Power
MAP
deals
with
isolation
of
components
to
diagnose
a
power
problem.
Power
problems
can
be
related
to
powering
on
and
powering
off
the
system,
or
power
failures
that
occur
after
power
is
turned
on.
39
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