ok so my i5 760 is at 4.2ghz stable, but i am pretty sure my ram is all out of wack now and I will be honest I understand how to over clock gpu and cpu with voltages core memory ect but when it comes to memory and timing i have no clue whats going on.
I will link you want ram i have and All i would like is to get it to run at stock speed if possible or a slight OC to the ram but nothing more.
You already see the speed options you have: 1260, 1680, and 2100. Right now, you're running at 1260 (which is why it's showing 632MHz in CPU-Z). It has those weird speed options because you overclock the i5-760 using the system bus (BCLK?). This also changes the RAM speed.
All you have to do is choose the 1680 speed manually, and make sure the timings are 9-9-9-24. It can probably run that speed at normal voltage. After you've changed it, it will show up in CPU-Z as 840MHz.
Don't worry about what it says in 3DMark -- those readings are often wrong.