v
Hardware
configuration
–
screen)
configuration
currently
in
use
–
BIOS
level
v
Operating
system
software
–
Type
and
version
level
Note:
To
eliminate
confusion,
identical
systems
are
considered
identical
only
if
they:
1.
Are
the
exact
machine
type
and
models
2.
Have
the
same
BIOS
level
3.
Have
the
same
adapters/attachments
in
the
same
locations
4.
Have
the
same
address
jumpers/terminators/cabling
5.
Have
the
same
software
versions
and
levels
6.
Have
the
same
diagnostics
code
(version)
7.
Have
the
same
configuration
options
set
in
the
system
8.
Have
the
same
setup
for
the
operation
system
control
files
Comparing
the
configuration
and
software
setup
between
“working”
and
“non-working”
systems
will
often
lead
to
problem
resolution.
Calling
IBM
for
service
See
for
information
about
calling
IBM
for
service.
When
you
call
for
service,
have
as
much
of
the
following
information
available
as
possible:
v
Machine
type
and
model
v
Microprocessor
and
hard
disk
drive
upgrades
v
Failure
symptoms
–
Does
the
server
fail
the
diagnostic
programs?
If
so,
what
are
the
error
codes?
–
What
occurs?
When?
Where?
–
Is
the
failure
repeatable?
–
Has
the
current
server
configuration
ever
worked?
–
What
changes,
if
any,
were
made
before
it
failed?
–
Is
this
the
original
reported
failure,
or
has
this
failure
been
reported
before?
v
Diagnostic
program
type
and
version
level
v
Hardware
configuration
screen
of
the
system
summary)
v
BIOS
code
level
v
Operating-system
type
and
version
level
You
can
solve
some
problems
by
comparing
the
configuration
and
software
setups
between
working
and
nonworking
servers.
When
you
compare
servers
to
each
other
for
diagnostic
purposes,
consider
them
identical
only
if
all
the
following
factors
are
exactly
the
same
in
all
the
servers:
v
Machine
type
and
model
v
BIOS
level
v
Memory
amount,
type,
and
configuration
v
Adapters
and
attachments,
in
the
same
locations
Chapter
5.
Diagnostics
111
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