IBM IntelliStation M Pro 9229, Installation Manual

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Serial port problems
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 are disabled.
v The serial port adapter (if one is present) is seated correctly.
2. Replace the failing serial port adapter.
A serial device does not work.
1. Make sure 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 connector, (see “System-board
external connectors” in the Problem Determination and Service Guide ).
2. Reseat the failing serial device.
3. Replace the following components one at a time, in the order shown, restarting
the computer each time:
a. Failing serial device
b. (Trained service technician only) System board
Software problems
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
A suspected software problem
occurred.
1. To determine whether the problem is caused by the software, make sure that:
v The computer has the minimum memory that is needed to use the software.
For memory requirements, see the information that comes with the software.
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 computer.
v
Other software works on the computer.
v The software works on another computer.
2. If you receive any error messages while you use the software, see the
information that comes with the software for a description of the messages and
suggested solutions to the problem.
3. Contact the place where you purchased the software.
Chapter 5. Solving problems
45