I am currently working on a few different things trying to understand a 2001 OS that somebody did a disassembly on. I will go back and find the exact PIDs that I am working on to see if you had already figured them out or not. FWIW, here's the listing of PID's that I found which shows some of the higher numbers.

http://www.fastfieros.com/tech/vpw_c...n_protocol.htm