Directing the WordPress 2.7 app to my dedicated IP and not my URL (godaddy)

I am trying to go to my admin page to do some editing. I have a dedicated IP so that I can build a new site and keep the one that is under it’s current URL. The problem I am having is that the Admin is pointed to my current URL, which is a blogger site and I want it pointed at my unique IP.

Does anyone know which file contains the line where I can change where the App is pointed so that I can access the admin?, right now it just redirects to a non existing page on blogger.

When I asked godaddy they said there is a file in wordpress fowarding me to my URL when I want it pointed at my dedicated IP but that they don’t know which one and can’t offer support for this issue ??

any help would be great thanks!