IBM 8862 Hardware Maintenance Manual - Page 139

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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Serial port problems Symptom FRU/action A serial device does not work. 1. Verify that: v The device is compatible with the server. v The serial port is enabled and is assigned a unique address. v The device is connected to the correct port (see "I/O connectors" on page 61). 2. Failing serial device. 3. Serial cable. 4. Remote Supervisor Adapter II cabling. 5. I/O board. Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Software problem Symptom FRU/action Suspected software problem. 1. To determine whether the problem is 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, the server 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. Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Universal Serial Bus (USB) port problems Symptom FRU/action A USB device does not work. v Verify that: - You are not trying to use a USB device during POST if you have a standard (non-USB) keyboard attached to the keyboard port. Note: If a standard (non-USB) keyboard is attached to the keyboard port, the USB is disabled and no USB device will work during POST. - The correct USB device driver is installed. - The operating system supports USB devices. - If a USB hub is in use, disconnect the USB device from the hub and connect it directly to the server. Chapter 6. Symptom-to-FRU index 129

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Note:
See
Chapter
7,
“Parts
listing,
Types
8861,
8862,”
on
page
139
to
determine
which
components
are
replaceable
by
the
customer
and
which
components
must
be
replaced
by
an
IBM
field
service
technician.
Serial
port
problems
Symptom
FRU/action
A
serial
device
does
not
work.
1.
Verify
that:
v
The
device
is
compatible
with
the
server.
v
The
serial
port
is
enabled
and
is
assigned
a
unique
address.
v
The
device
is
connected
to
the
correct
port
(see
“I/O
connectors”
on
page
61).
2.
Failing
serial
device.
3.
Serial
cable.
4.
Remote
Supervisor
Adapter
II
cabling.
5.
I/O
board.
Note:
See
Chapter
7,
“Parts
listing,
Types
8861,
8862,”
on
page
139
to
determine
which
components
are
replaceable
by
the
customer
and
which
components
must
be
replaced
by
an
IBM
field
service
technician.
Software
problem
Symptom
FRU/action
Suspected
software
problem.
1.
To
determine
whether
the
problem
is
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,
the
server
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.
Note:
See
Chapter
7,
“Parts
listing,
Types
8861,
8862,”
on
page
139
to
determine
which
components
are
replaceable
by
the
customer
and
which
components
must
be
replaced
by
an
IBM
field
service
technician.
Universal
Serial
Bus
(USB)
port
problems
Symptom
FRU/action
A
USB
device
does
not
work.
v
Verify
that:
–
You
are
not
trying
to
use
a
USB
device
during
POST
if
you
have
a
standard
(non-USB)
keyboard
attached
to
the
keyboard
port.
Note:
If
a
standard
(non-USB)
keyboard
is
attached
to
the
keyboard
port,
the
USB
is
disabled
and
no
USB
device
will
work
during
POST.
–
The
correct
USB
device
driver
is
installed.
–
The
operating
system
supports
USB
devices.
–
If
a
USB
hub
is
in
use,
disconnect
the
USB
device
from
the
hub
and
connect
it
directly
to
the
server.
Chapter
6.
Symptom-to-FRU
index
129