1.From the Device Manager window double click Ports (COM & LPT), then double click PCIe to.... port.
2.Click Port Settings tab, then click Change Port Number.
3.Click the down arrow next to the COM Port number box, select a COM port that is not in use. Click OK, OK. Close Device Manager to save the changes.
Changing Parallel Port Address (LPT)
Some parallel devices need a specific parallel port in order to work. If your parallel device works properly, do not change this setting.
1.From the Device Manager window double click Ports (COM & LPT), then double click PCIe to Multi Mode Parallel Port....
2.Click Port Settings tab.
3.At the LPT Port Number box, click the down arrow and select an LPT port that is not in use. Click OK, then close Device Manager to save the changes.
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