IBM 43635gu Installation Guide - Page 84

Serial, problems

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action The server unexpectedly shuts See "Solving undetermined problems" in the Problem Determination and Service down, and the LEDs on the Guide on the IBM System x Documentation CD. front-panel assembly are not lit. Serial port problems For more information about the serial port, see the Problem Determination and Service Guide on the IBM System x Documentation CD. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the parts listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action The number of serial ports that are identified by the operating system is less than the number of installed serial ports. 1. Make sure that: v Each port is assigned a unique address in the Configuration/Setup Utility program and none of the serial ports is disabled. v The serial-port (COM 2) cable connector is seated correctly. 2. Reseat the serial-port (COM 2) connector. 3. Replace the serial-port (COM 2). 4. (Trained service technician only) System board A serial device does not work. 1. Make sure 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 connector. (For connector locations, see the User's Guide on the IBM System x Documentation CD.) 2. Reseat the following components: a. Failing serial device b. Serial cable c. Remote Supervisor Adapter II SlimLine (if one is present) 3. Replace the following components one at a time, in the order shown, restarting the server each time: a. Failing serial device b. Serial cable c. Remote Supervisor Adapter II SlimLine (if one is present) d. (Trained service technician only) System board 70 System x3200 Type 4362 and 4363: Installation Guide

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v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Problem
Determination
and
Service
Guide
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
The
server
unexpectedly
shuts
down,
and
the
LEDs
on
the
front-panel
assembly
are
not
lit.
See
“Solving
undetermined
problems”
in
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
Serial
port
problems
For
more
information
about
the
serial
port,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Problem
Determination
and
Service
Guide
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
The
number
of
serial
ports
that
are
identified
by
the
operating
system
is
less
than
the
number
of
installed
serial
ports.
1.
Make
sure
that:
v
Each
port
is
assigned
a
unique
address
in
the
Configuration/Setup
Utility
program
and
none
of
the
serial
ports
is
disabled.
v
The
serial-port
(COM
2)
cable
connector
is
seated
correctly.
2.
Reseat
the
serial-port
(COM
2)
connector.
3.
Replace
the
serial-port
(COM
2).
4.
(Trained
service
technician
only)
System
board
A
serial
device
does
not
work.
1.
Make
sure
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
connector.
(For
connector
locations,
see
the
User’s
Guide
on
the
IBM
System
x
Documentation
CD.)
2.
Reseat
the
following
components:
a.
Failing
serial
device
b.
Serial
cable
c.
Remote
Supervisor
Adapter
II
SlimLine
(if
one
is
present)
3.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Failing
serial
device
b.
Serial
cable
c.
Remote
Supervisor
Adapter
II
SlimLine
(if
one
is
present)
d.
(Trained
service
technician
only)
System
board
70
System
x3200
Type
4362
and
4363:
Installation
Guide