© National Instruments Corporation 3-1 PCI Serial for Windows Me/9x
3
Configuration
This chapter describes how to view or change the communication port
settings.

View or Change Communication Port Settings

The serial configuration utility is fully integrated into the Windows Me/9x
Device Manager. You can use it to view or change the configuration of
your serial ports.
To configure a serial port, 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 Ports (COM & LPT) icon.
Note If you want your serial ports to use the names COM1, COM2, COM3, or COM4,
refer to the Common Questions section of Appendix C, Troubleshooting and
Common Questions.
4. Double-click on the port you want to configure and refer to the
following instructions:
•To view the hardware resources assigned to the serial port, click
on the Resources tab.
•To view or change the port settings, click on the Port Settings tab.
For more information about the settings, refer to the next section,
Port Settings Tab.
•To change the RS-485 transceiver mode, or to enable or disable
the FIFOs on the serial hardware, in the Port Settings tab, click
on the Advanced button. For more information about the settings,
refer to the next section, Port Settings Tab.