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Changing Serial Port Number
Some serial port devices need a specific
communication port in order to function properly.
If your serial port device works, do not make any
changes. This feature available in Windows 8/
7/Vista/XP/Server 2003 & 2008/Server 2008
R2/2000 only.
1. Right click My Computer, click Manage,
then click Device Manager.
2. Click on the + (plus sign) in front of Ports
(COM & LPT), double click the High-Speed
PCI Serial serial port you want to change.
3. Click the Port Settings tab.
4. Click Change Port Number or Advanced.
5. Click the down arrow next to the COM Port
Number box. Select a communication port
that is not in use, then click OK.
6. Click OK to save the changes.
Windows ME
1. At the Add New Hardware Wizard, select
Specify the location of the driver
(Advanced), click Next.