Appendix C Troubleshooting and CommonQuestions
PCI Serial for Windows Me/9x C-2 ni.com
Selecting Conflict-Free Resources
When the Device Manager indicates a conflict with another device, you can
usually correct the problem by manually selecting conflict-free resources.
To do so, complete the following steps:
1. Select Start»Settings»Control Panel and double-click on the
System icon.
2. Click on the Device Manager tab and click on the View devices by
type button.
3. Double-click on the Multi-function adapters icon.
4. From the Multi-function adapters list, double-click on the serial
interface that you want to change.
5. Click on the Resources tab.
6. Uncheck the Use automatic settings checkbox and click on the
Change Setting button. If the system does not allow you to change the
settings, select the configuration that gives you a conflict-free base
address and interrupt level from the Setting based on list box.
7. Click on the OK button to save your changes.
Troubleshooting Diagnostic Messages
This section lists possible error messages returned by the diagnostic utility,
along with solutions.

No National Instruments Serial Port Found

If the No National Instruments serial port found error message
appears, complete the following steps:
1. Verify the hardware resources, as follows:
a. In the Device Manager tab, under Multi-function adapters,
double-click on a serial board.
b. If a serial board is missing from the Multi-function adapters list,
reinstall the hardware and software. For instructions on how to do
so, refer to Chapter2, Installation an d Verification.
c. Click on the Resources tab. If the resources were assigned
properly, the Resources tab shows which resources are assigned
to your serial ports.
d. Check the hardware resources. If they are in conflict, refer to the
previous section, Selecting Conflict-Free Resources.