I don't recall what the TivoX readme file has in it as far as instructions either. There is also several very helpful threads over in the Xbox hacking section at DDB.
The basic concept, ccxstream is a server that runs on the Tivo that the XBOX can connect and stream video's over. You don't necessarily need the Tivox part running on the XBOX as XBMC can connect to ccxstream without it. TivoX just makes an easier to use interface on the XBOX.
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