The T2300 is only 32Bit i think Intel® Coreâ„¢ Duo Processor T2300 (2M Cache, 1.66 GHz, 667 MHz FSB) with SPEC Code(s) SL8VR, SL8VV, SL9JL, SL9JY as for drivers they should exist if not already install if not here is your ATI Drivers Microsoft Update Catalog and if you have no...