Update with max FSB using a E6320:





Voltage settings

CPU PLL Voltage: 1.60V
CPU VTT Voltage: 1.60V
NB Core Voltage: 1.50V
SB Core Voltage: 1.65V
1.2V HT Voltage: 1.45V
Bridge Core Voltage: 1.20V

CPU + NB GLT_REF = Auto