Serial Port Problems; Software Problems; Universal Serial Bus (Usb) Port Problems; System-Board Error Leds - IBM 6219 - IntelliStation M - Pro User Manual

Serial port problems

Serial port symptom
The number of serial ports
identified by the operating
system is less than the number
of serial ports installed.
A serial device does not work.

Software problems

Software problem symptom
Suspected software problem.

Universal Serial Bus (USB) port problems

Universal Serial Bus (USB)
port symptom
A USB device does not work.

System-board error LEDs

The following illustration shows the error LEDs on the system board.
Suggested action
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.
If the problem remains, call for service.
1. Verify 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 port.
2. Run serial port diagnostics.
3. Replace the failing serial device.
If the problem remains, call for service.
Suggested action
1. To determine if problems are caused by the software, verify that:
v The computer 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 the computer.
v Other software works on the computer.
v The software that you are using works on another computer.
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 software
place of purchase.
Suggested action
Verify that:
v 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.
v The correct USB device driver is installed.
v The operating system supports USB devices.
If the problem remains, call for service.
Chapter 5. Solving problems
79