AM2 processors in dual core were the Windsor and Brisbane core. Single core were the Sempron Sparta/Lima and the Athlon Orleans core. AM2 processors run on either a 800/1600 or 1000/2000 HT. AM2+ processors are the Phenoms Agena/Deneb/Toliman/Kuma core and run on a 1800/3600 and 2000/4000 HT.