Comtrol RocketPort Serial Hub Si Driver Installation for Windows 98 - Manual (Page 19)

Changing Configuration Parameters 19
11. Make the desired changes and click OK to return to the Main Setup page.
12. To change port configuration, highlight the COM port that you want to change and click the Properties
button. The Port Setup window displays:
13. Make the port configuration changes that you want and click the OK button.
Before changing the communications mode in the Setup program for an existing port, make sure
that you disconnect the peripheral device from the port.
If you change the mode of the port, the following query appears:
Caution