@kd6icz
That pdf seem to be for including the driver as part of the image when building in platform builder.
However, it looks like all you have to do is
1. Boot the avic to test mode
2. copy the two dlls to windows folder (listed in 1st page of the pdf)
3. Import the reg file into avic
4. Then plug the ethernet adapter into the usb socket.
As mentioned earlier, the usb socket is typically in client mode (instead of host mode). But hopefully avic detects the card and switches it to be the right mode.
I used regedit from mioautorun.zip file from gpspassion to import reg files. I will try to attach it if you cannot find it.