Well I got my TurboNet/CacheCard in my series 1, got it on the wired network, and it too won't connect. The test call works, just like the Series2, but a real call gets part way thru, then hangs, then eventually comes back failed. Being hardwired that eliminates my wifi network, so it must be my Netgear FVS318. I've even tried setting the DMZ port to the IP of the Tivo, still got same thing, so now I'm really stumped unless the dmz setting somehow just didn't take. I tried the web sites to see if I'm behind a caching server, I am not. My only other hardware is my Alcatel 1000 DSL modem, straight to bellsouth. Does anyone know of MTU comes into play here ? As a kludge with the Alcatel 1000's, there is a malformed packet issue with them, that is corrected if you put a dumb plain ole 10mb hub inbetween the Alcatel and the FVS318, it fixes the problem. I was told it was either a packet header issue, or an MTU issue. But why would the test call connect, configure, set clock, and hang up cleanly, then the daily call would not. ?? So all this effort is worthless to me for daily calls. Sure I love ripping the 190hours of video off my Series1 tho And HomeNetworking option is a waste, everytime it tries to get a directory from my mp3 server (win2000 Server), it tries for a while, then bombs and never finds the server again on the list of Tivo Servers. What a great use of money.