[Zope] setup for an odbc connection!

Hello all, Maybe someone can help me. I have a dbf file that i need to consult with Zope. This is a simple file (named cass.dbf). Ok. I have installed the ZODBC and like to know how to use this. I have try various resources to make this but i can't. First of all. need i configure the windows odbc manager to locate my cass.dbf file? (this is in c:\dbfs\) Thank you very much. Rod Za