National Instruments 3.22E+04 用户手册

© National Instruments Corporation

This chapter describes how to view or change the 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.

If you want your serial ports to use the names COM1, COM2, COM3, or COM4, 

refer to the 

 section of Appendix C, 

.

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, 

.

•

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.