Virtual Serial Port Driver XP4.5 - Version 4.5 Virtual Serial Ports Driver XP creates two pure virtual serial ports in your system which are virtually connected to each other. For other Windows applications, virtual ports will be seen exactly as two real serial ports connected via null-modem cable. With virtual ports created by Virtual Serial Port Driver XP you can connect applications to each other and exchange data between them without occupying your real serial ports and using hardware wiring. Virtual link between virtual serial ports is much faster then real null-modem cable connection and depends on your processor speed. The latest version with new manual and examples now supports full baudrate emulation. With user-friendly GUI and on-the-fly help of Virtual Serial Port Driver XP it's very easy to configure a virtual serial ports pair.