Analyze
hardware
problems
For
use
by
authorized
service
providers.
This
information
is
intended
to
provide
authorized
IBM
service
providers
with
complete
instructions
for
locating,
diagnosing,
and
repairing
problems
on
system
Models
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3.
Before
using
this
information
and
the
product
it
supports,
be
sure
to
read
the
information
in
Highlights
the
changes
and
improvements
made
to
the
Analyze
hardware
problems
topic.
Provides
access
to
a
hardcopy
version
of
the
Analyze
hardware
problems
topic.
This
topic
serves
as
the
starting
point
for
all
service
actions.
You
will
be
directed
on
where
and
how
to
begin
diagnosing
your
problem.
This
topic
also
includes
procedures
for
problems
that
occur
without
a
system
reference
code
(SRC),
such
as
a
system
that
will
not
power
on.
This
topic
uses
a
system
reference
code
on
the
problem
summary
form
to
find
a
list
of
possible
failing
items
or
point
to
additional
isolation
procedures
(if
available).
System
reference
codes
(SRCs)
can
appear
on
the
control
panel,
the
Product
Activity
Log
(PAL),
the
Main
Storage
Dump
Manager
display,
or
on
various
displays
within
DST
or
SST.
This
topic
will
guide
you
through
diagnosing
the
problem
and
determining
which
field
replaceable
unit
(FRU)
needs
replacing,
if
any.
The
remove
and
replace
procedures
will
help
you
to
exchange
field
replaceable
units
(FRUs).
This
topic
contains
information
on
part
locations
and
addresses,
part
assembly
diagrams,
and
a
FRU
part
listing
with
descriptions
and
part
numbers.
This
topic
contains
procedures
for
recovering
from
disk
unit
failures
as
well
as
general
information
about
various
system
attributes
and
functions.
This
topic
contains
various
forms
to
assist
you
in
using
the
Analyze
hardware
problems
information.
Find
definitions
to
many
concepts
and
terms
used
throughout
this
information.
This
topic
contains
links
to
manuals
(in
format),
Web
sites,
and
Information
Center
topics
that
relate
to
the
Analyze
hardware
topic.
©
Copyright
IBM
Corp.
1998,
2002
1
