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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.