It sure looks like it's working fine. Are you sure that it's really disconnecting? Did you try the next "edl.exe /u /g" ? Just keep going until you get an explicit error. Until you have the correct boot file in your hand, forget about the OP instructions.
Download usblog.exe off my page so that you can see when things pop in and out. It just runs by itself and doesn't disturb anything.
http://www.temblast.com/download/usblog.exe
Edit: And forgot about /v unless there is a problem, it's too much eye clutter.