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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Symptom
A serial device does not work.
Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Symptom
Suspected software problem.
Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Symptom
A USB device does not work.
Serial port problems
FRU/action
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 "I/O connectors" on page
61).
2. Failing serial device.
3. Serial cable.
4. Remote Supervisor Adapter II cabling.
5. I/O board.
Software problem
FRU/action
1. To determine whether the problem is caused by the software, verify that:
v The 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, the server might have
a memory address conflict.
v The software is designed to operate on the server.
v Other software works on the server.
v The software that you are using works on another server.
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.
Universal Serial Bus (USB) port problems
FRU/action
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.
– The operating system supports USB devices.
– If a USB hub is in use, disconnect the USB device from the hub and connect
it directly to the server.
Chapter 6. Symptom-to-FRU index
129
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