IBM eServer xSeries 235 Type 8671, Maintenance & Troubleshooting

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Note: See “System” on page 156 to determine which components should be replaced by a field service technician.
Power problems
Symptom FRU/action
The server does not turn off.
1. Verify whether you are using an ACPI or non-ACPI operating system. If
you are using a non-ACPI operating system:
a. Press Ctrl+Alt+Delete.
b. Turn off the system by holding the power-control button for 4 seconds.
c. If server fails during BIOS POST and power-control button does not work,
remove the AC power cord.
2. If the problem remains or if you are using an ACPI-aware operating system,
suspect the system board.
Note: See “System” on page 156 to determine which components should be replaced by a 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.
For more information about the
serial port, see “Serial cabling”
on page 103 and “Serial-port
connectors” on page 108.
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 “Input/output connectors” on
page 104).
2. Failing serial device.
3. Serial adapter, if installed.
4. System board.
Note: See “System” on page 156 to determine which components should be replaced by a field service technician.
Software problem
Symptom FRU/action
Suspected software problem.
1. To determine if problems are caused by the software, verify that:
v
Your 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 your server.
v Other software works on your server.
v The software that you are using works on another system.
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.
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xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide