drivers for modems

I have a fujitsu A1000 2ND EDITION COMPUTER AND I WISH TO INSTALL WINDOWS XP. ON INSTALLING I FOUND MY MODEM DID NOT WORK. ON CONTACTIOG AOL I WAS INFORMED I NEEDED AOL 7.0 AND NEW DRIVERS FOR MY MODEM. WHICH DRIVERS DO I NEED AND WHERE CAN I OBTAINTHEM PLEASE.