Need some help!!!!! I have some crucial ballistix ddr2 6400 memory that is 2.0 volts and the exact crucial ballistix ddr2 6400 memory that is 2.2 volts...Can i use them both together in my computer??????????????? Can i run the 2.2 volts sticks at 2.0 volts???????????? I have two sticks each of the 2.0 and 2.2 volts.....they both have the same timings and my PC is OCed...but i have my timings set for auto....