I have a Core 2 Duo E7200 that I want to push to about 3.33 of 3.5 or higher. Right now I am using a Gigabyte G41M-ES2L motherboard for this.
The options I have to change in the BIOS are CPU Host Clock, Performance Enhance(For DRAM), System Mem multi, CPU Vcore, CPU Termination, CPU Reference...