Troubleshooting
Serial Port Problems
Action
The serial port cannot be
accessed, or the number
of serial ports displayed
is less than the number
of serial ports installed.
Verify that:
1. Each port is assigned a unique address. To verify
the address, run the Configuration/Setup Utility
program, and select Devices and I/O Ports. See
“Devices and I/O Ports” on page 30 for additional
information.
2. The serial-port adapter, if you installed one, is
properly installed and firmly seated. For
information on installing adapters, see “Installing
or Removing Adapters” on page 61.
If the items above are correct, have the system serviced.
A serial device does not
work.
Verify that the serial port is enabled and is assigned a
unique address.
If the items above are correct, have the system serviced.
Universal Serial Bus
(USB) Port Problems
Action
The USB ports cannot be
accessed, or the number
of serial buses displayed
is less than the number
of serial buses installed.
Verify that:
1. Each bus is assigned a unique address.
2. Each port is assigned a unique address. To verify
the address, run the Configuration/Setup Utility
program, and select Devices and I/O Ports. See
“Devices and I/O Ports” on page 30 for additional
information.
3. The USB device is properly installed and firmly
seated.
4. The serial-port adapter, if you installed one, is
properly installed and firmly seated. For
information on installing adapters, see “Installing
or Removing Adapters” on page 61.
If the items above are correct, have the system serviced.
A USB device does not
work.
Verify that:
1. The USB is enabled and is assigned a unique
address. For information on using the
Configuration/Setup Utility program, see “Using
the Configuration/Setup Utility Program” on
page 28.
2. The USB clock speed matches the clock speed of
the USB device.
If the items above are correct, have the system serviced.
Chapter 5. Solving Problems
169
Summary of Contents for Netfinity 3500
Page 1: ...Netfinity 3500 User s Handbook...
Page 2: ......
Page 3: ...Netfinity 3500 User s Handbook IBM...
Page 8: ...vi Netfinity 3500 User s Handbook...
Page 14: ...Laser Compliance Statements xii Netfinity 3500 User s Handbook...
Page 32: ...Input Output Connectors 14 Netfinity 3500 User s Handbook...
Page 200: ...Replacing the Battery 182 Netfinity 3500 User s Handbook...
Page 210: ...Ordering Publications 192 Netfinity 3500 User s Handbook...
Page 250: ...Taiwan Class A Electronic Emission Statement 232 Netfinity 3500 User s Handbook...
Page 266: ...248 Netfinity 3500 User s Handbook...
Page 293: ......
Page 294: ...IBM Part Number 05L2067 Printed in U S A January 1998 5L2 67...