IBM 8862 Hardware Maintenance Manual - Page 27

Diagnostic, tools, overview, error, Viewing, Configuration/Setup, Utility, program

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Diagnostic tools overview The following tools are available to help you diagnose and solve hardware-related problems: v POST beep codes, error messages, and error logs The power-on self-test (POST) generates beep codes and messages to indicate successful test completion or the detection of a problem. See "POST error logs" for more information. v Light path diagnostics feature Use the light path diagnostics feature to identify system errors quickly. See "Light path diagnostics" on page 18 for more information. v Diagnostic programs and error messages The diagnostic programs are stored in the system flash EPROM on the I/O board. These programs are the primary method of testing the major components of the server. See "Diagnostic programs and error messages" on page 22 for more information. POST error logs When you turn on the server, it performs a series of tests to check the operation of server components and some of the options installed in the server. This series of tests is called the power-on self-test, or POST. If POST finishes without detecting any problems, a single beep sounds, and the first screen of the operating system opens or an application program starts. If POST detects a problem, more than one beep might sound, or an error message appears on the screen. See "Beep symptoms" on page 86 and "POST error codes" on page 88 for more information. Notes: 1. If a power-on password is set, you must type the password and press Enter, when prompted, before POST will continue. 2. A single problem might cause several error messages. When this occurs, work to correct the cause of the first error message. After you correct the cause of the first error message, the other error messages usually will not occur the next time you run the test. The POST error log contains the three most recent error codes and messages that were generated during POST. The system-error log contains all messages that were generated during POST and all system status messages from the service processor. You can view the contents of the system-error log from the Configuration/Setup Utility program or from the diagnostic programs. Note: When troubleshooting PCI-X slots, you will notice that the error logs report the PCI-X buses numerically. The numerical assignment will change depending on your configuration. Viewing error logs from the Configuration/Setup Utility program Start the Configuration/Setup Utility program; then, select Error Logs from the main menu. See "Using the Configuration/Setup Utility program" on page 11 for more information. Chapter 3. Diagnostics 17

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Diagnostic
tools
overview
The
following
tools
are
available
to
help
you
diagnose
and
solve
hardware-related
problems:
v
POST
beep
codes,
error
messages,
and
error
logs
The
power-on
self-test
(POST)
generates
beep
codes
and
messages
to
indicate
successful
test
completion
or
the
detection
of
a
problem.
See
“POST
error
logs”
for
more
information.
v
Light
path
diagnostics
feature
Use
the
light
path
diagnostics
feature
to
identify
system
errors
quickly.
See
“Light
path
diagnostics”
on
page
18
for
more
information.
v
Diagnostic
programs
and
error
messages
The
diagnostic
programs
are
stored
in
the
system
flash
EPROM
on
the
I/O
board.
These
programs
are
the
primary
method
of
testing
the
major
components
of
the
server.
See
“Diagnostic
programs
and
error
messages”
on
page
22
for
more
information.
POST
error
logs
When
you
turn
on
the
server,
it
performs
a
series
of
tests
to
check
the
operation
of
server
components
and
some
of
the
options
installed
in
the
server.
This
series
of
tests
is
called
the
power-on
self-test,
or
POST.
If
POST
finishes
without
detecting
any
problems,
a
single
beep
sounds,
and
the
first
screen
of
the
operating
system
opens
or
an
application
program
starts.
If
POST
detects
a
problem,
more
than
one
beep
might
sound,
or
an
error
message
appears
on
the
screen.
See
“Beep
symptoms”
on
page
86
and
“POST
error
codes”
on
page
88
for
more
information.
Notes:
1.
If
a
power-on
password
is
set,
you
must
type
the
password
and
press
Enter,
when
prompted,
before
POST
will
continue.
2.
A
single
problem
might
cause
several
error
messages.
When
this
occurs,
work
to
correct
the
cause
of
the
first
error
message.
After
you
correct
the
cause
of
the
first
error
message,
the
other
error
messages
usually
will
not
occur
the
next
time
you
run
the
test.
The
POST
error
log
contains
the
three
most
recent
error
codes
and
messages
that
were
generated
during
POST.
The
system-error
log
contains
all
messages
that
were
generated
during
POST
and
all
system
status
messages
from
the
service
processor.
You
can
view
the
contents
of
the
system-error
log
from
the
Configuration/Setup
Utility
program
or
from
the
diagnostic
programs.
Note:
When
troubleshooting
PCI-X
slots,
you
will
notice
that
the
error
logs
report
the
PCI-X
buses
numerically.
The
numerical
assignment
will
change
depending
on
your
configuration.
Viewing
error
logs
from
the
Configuration/Setup
Utility
program
Start
the
Configuration/Setup
Utility
program;
then,
select
Error
Logs
from
the
main
menu.
See
“Using
the
Configuration/Setup
Utility
program”
on
page
11
for
more
information.
Chapter
3.
Diagnostics
17