Lava Computer DSerial-PCI/LP Card - Manual (Page 7)

In Windows 2000 and Windows XP, Com port numbering can be
changed by double-clicking the DSerial-PCI
entry displayed in
Windows' Device Manager (as described earlier). Go to Settings |
Advanced, and choose the Com port number you want.
/LP
Changing the Com numbering of your ports
in Windows 2000/XP