If you are trying to store data files in mode 2 or mode 2 XA form 2, then you need something like mode2cdmaker:
But I wouldn't recommend doing that. There are a lot of complications and potential problems unless you are absolutely sure of what you are doing and are very careful doing it. It isn't something that is normally done, and I wouldn't recommend it for casual use. Stick with a mode 1 disc (or mode 2 XA form 1) and find some other way to reduce or split the data files you need to store.
I think others have already covered this with you. Go back through and read all the posts you have made and the replies you have received. You've been getting a lot of good advice from a lot of people here, but it might be a bit overwhelming in the extent of it, so some extra time spent re-reading and studying it might be useful.
In addition to re-reading the advice you have received here, you might also want to look at www.dvdrhelp.com if you haven't already. I think your core goal is to fit a movie on one CD, and dvdrhelp has a lot of good information about authoring, etc.