IBM 887022X Maintenance Manual - Page 248

replaced

Page 248 highlights

Note: See Chapter 8, "Parts listing, Type 8870," on page 249 to determine which components are replaceable by the customer, and which components should be replaced by an IBM field service technician. Power problems Symptom FRU/action The server unexpectedly shuts See "12v bus faults" on page 229. down and the LEDs on the front panel are not lit. Note: See Chapter 8, "Parts listing, Type 8870," on page 249 to determine which components are replaceable by the customer, and which components should be replaced by an IBM field service technician. Serial port problems Symptom FRU/action The number of serial ports identified by the operating system is less than the number of serial ports installed. 1. Verify that: v Each port is assigned a unique address by the Configuration/Setup Utility program and none of the serial ports is disabled. v The serial-port adapter, if you installed one, is seated properly. 2. Failing serial port adapter. A serial device does not work. 1. Verify that: v The device is compatible with the computer. v The serial port is enabled and is assigned a unique address. v The device is connected to the correct port (see Chapter 5, "I/O connectors and indicators," on page 145). 2. Failing serial device. 3. Serial cable. 4. Center plane. 5. I/O board. Note: See Chapter 8, "Parts listing, Type 8870," on page 249 to determine which components are replaceable by the customer, and which components should be replaced by an IBM field service technician. Software problem Symptom FRU/action Suspected software problem. 1. To determine if problems are caused by the software, verify that: v The server has the minimum memory needed to use the software. For memory requirements, see the information that comes with the software. Note: If you have just installed an adapter or memory, you might have a memory address conflict. v The software is designed to operate on the server. v Other software works on the server. v The software that you are using works on another server. If you received any error messages when using the software program, see the information that comes with the software for a description of the messages and suggested solutions to the problem. 2. If you have verified these items and the problem remains, contact your place of purchase. 238 xSeries 445 Type 8870: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See
Chapter
8,
“Parts
listing,
Type
8870,”
on
page
249
to
determine
which
components
are
replaceable
by
the
customer,
and
which
components
should
be
replaced
by
an
IBM
field
service
technician.
Power
problems
Symptom
FRU/action
The
server
unexpectedly
shuts
down
and
the
LEDs
on
the
front
panel
are
not
lit.
See
“12v
bus
faults”
on
page
229.
Note:
See
Chapter
8,
“Parts
listing,
Type
8870,”
on
page
249
to
determine
which
components
are
replaceable
by
the
customer,
and
which
components
should
be
replaced
by
an
IBM
field
service
technician.
Serial
port
problems
Symptom
FRU/action
The
number
of
serial
ports
identified
by
the
operating
system
is
less
than
the
number
of
serial
ports
installed.
1.
Verify
that:
v
Each
port
is
assigned
a
unique
address
by
the
Configuration/Setup
Utility
program
and
none
of
the
serial
ports
is
disabled.
v
The
serial-port
adapter,
if
you
installed
one,
is
seated
properly.
2.
Failing
serial
port
adapter.
A
serial
device
does
not
work.
1.
Verify
that:
v
The
device
is
compatible
with
the
computer.
v
The
serial
port
is
enabled
and
is
assigned
a
unique
address.
v
The
device
is
connected
to
the
correct
port
(see
Chapter
5,
“I/O
connectors
and
indicators,”
on
page
145).
2.
Failing
serial
device.
3.
Serial
cable.
4.
Center
plane.
5.
I/O
board.
Note:
See
Chapter
8,
“Parts
listing,
Type
8870,”
on
page
249
to
determine
which
components
are
replaceable
by
the
customer,
and
which
components
should
be
replaced
by
an
IBM
field
service
technician.
Software
problem
Symptom
FRU/action
Suspected
software
problem.
1.
To
determine
if
problems
are
caused
by
the
software,
verify
that:
v
The
server
has
the
minimum
memory
needed
to
use
the
software.
For
memory
requirements,
see
the
information
that
comes
with
the
software.
Note:
If
you
have
just
installed
an
adapter
or
memory,
you
might
have
a
memory
address
conflict.
v
The
software
is
designed
to
operate
on
the
server.
v
Other
software
works
on
the
server.
v
The
software
that
you
are
using
works
on
another
server.
If
you
received
any
error
messages
when
using
the
software
program,
see
the
information
that
comes
with
the
software
for
a
description
of
the
messages
and
suggested
solutions
to
the
problem.
2.
If
you
have
verified
these
items
and
the
problem
remains,
contact
your
place
of
purchase.
238
xSeries
445
Type
8870:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide