IBM 8676 - Eserver xSeries 335, Руководство по техническому обслуживанию и ремонту, Страница: 105 / 172

Note: See “System” on page 112 to determine which components should be replaced by a field service technician.
Serial port problems
Symptom FRU/action
A serial device does not work.
For more information about the
serial port, see “Serial
connector” on page 67.
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 65).
2. Failing serial device.
3. Serial adapter, if installed.
4. System board.
Note: See “System” on page 112 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.
Note: See “System” on page 112 to determine which components should be replaced by a 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.
– Your operating system supports USB devices.
POST error codes
In the following error codes, X can be any number or letter.
Chapter 6. Symptom-to-FRU index
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