GIGABYTE GA-MA74GM-S2 SOCKET AM2/AM2+/AM3 SCHEDA MADRE AMD
If you install AMD AM3/AM2+ CPU on AM2 motherbord, the system bus speed will downgrade from HT3.0(5200MHz) to HT1.0(2000 MT/s) spec; however, the frequency of AM3/AM2+ CPU will not be impacted. Socket AM2.