Dragon 32/64 Drivewire Adapter
See also: Drivewire_for_dummies
The built-in serial UART is the CP2102
Windows driver can be downloaded from the chip manufacturer: http://www.silabs.com/products/mcu/pages/usbtouartbridgevcpdrivers.aspx
The Drivewire Server 4 is a Java Application and can be downloaded here: https://sites.google.com/site/drivewire4/download
There exist also "DriveWire Lite": a reimplementation in C of the server side of the DriveWire 3 protocol: http://sourceforge.net/projects/dwlite/
Drivewire Server 4 usage
Just choose CoCo2 from the DriveWire Server simple config wizard. Keep all the default selections.