We have tested the Celeron D 340 (2.93GHz/533MHz/256K L2) on the 651-M (V2.0). It worked fine with installation of “Win XP SP2”. Also the CPU is recognized correctly by the latest BIOS (2.0f). So 651-M (V2.0). does support Celeron D 340 (2.93GHz/533MHz/256K L2).