Dell PowerEdge T100 Hardware Owner's Manual - Page 107

Troubleshooting Serial I/O Problems

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j Enter the System Setup program and reenter any custom BIOS settings that were reset. Be sure to leave all USB ports enabled. Troubleshooting Serial I/O Problems Problem • Error message indicates a problem with a serial port. • Device connected to a serial port is not operating properly. Action 1 Enter the System Setup program and ensure that the serial port is enabled and configured correctly for your application. See "Using the System Setup Program" on page 29. 2 If the problem is confined to a particular application, see the application documentation for specific port configuration requirements that the program may require. 3 Run the appropriate online diagnostic test. See "Running the System Diagnostics" on page 129. If the tests run successfully but the problem persists, see "Troubleshooting a USB Device" on page 108. Troubleshooting a Serial I/O Device Problem • Device connected to the serial port is not operating properly. Action 1 Turn off the system and any peripheral devices connected to the serial port. 2 Swap the serial interface cable with a working cable, and turn on the system and the serial device. If the problem is resolved, replace the interface cable. See "Getting Help" on page 139. Troubleshooting Your System 107

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Troubleshooting Your System
107
j
Enter the System Setup program and reenter any custom BIOS
settings that were reset. Be sure to leave all USB ports enabled.
Troubleshooting Serial I/O Problems
Problem
•
Error message indicates a problem with a serial port.
•
Device connected to a serial port is not operating properly.
Action
1
Enter the System Setup program and ensure that the serial port is enabled
and configured correctly for your application. See "Using the System Setup
Program" on page 29.
2
If the problem is confined to a particular application, see the application
documentation for specific port configuration requirements that the
program may require.
3
Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 129.
If the tests run successfully but the problem persists, see "Troubleshooting
a USB Device" on page 108.
Troubleshooting a Serial I/O Device
Problem
•
Device connected to the serial port is not operating properly.
Action
1
Turn off the system and any peripheral devices connected to the serial
port.
2
Swap the serial interface cable with a working cable, and turn on the
system and the serial device.
If the problem is resolved, replace the interface cable. See "Getting Help"
on page 139.