Once my CPU is maxed out, how do I proceed to speed up my RAM?

I am finalizing my settings on OCing my Phenom II 555 over 4.0Ghz (using a MSI 890FX-GD70), once this is set and stable how should I proceed to speed up the RAM? I have Black Edition OCZ ram, so it should be able to be OC'd as well.

Any specific instructions would be best. Thanks.
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More about once maxed proceed speed
  1. What speed? 1333, 1600...
  2. Ok, so I checked my memory with cpu-z, and now I am completely confused. CPU-Z says I am running 533Mhz (x2 obviously) at 7-7-7-16, but I purchased 1600Mhz as follows...

    AMD Black Edition


    240-Pin DDR3 SDRAM

    Tech Spec

    4GB (2 x 2GB)

    DDR3 1600 (PC3 12800)

    Cas Latency



    Multi-channel Kit
    Dual Channel Kit

    Heat Spreader

    Exclusively Designed for Socket AM3 and 790 FX & 790 GX Motherboard
    Black Edition Ready XTC Heatspreader
    AMD OverDrive (AOD) Ready
  3. Go to the BIOS, in advance features, look for the option "FSB/RAM ratio" and change it to 1:4, below you can see 1600MHz right?
  4. Yep, that did it. However, my latencies are not what the mfg recommends. I am currently running 9-11-11-24 and OCZ recommends 8-8-8-24. Should I change it?
  5. Yeah, go to advance DRAM configuration and change it to the recommended settings.
  6. I have no idea how to alter the latencies. Help!
  7. Sure, I'm here for help you.

    Go to your BIOS, in Green power look for "Advance DRAM configuration". There you only need change this:

    1- DRAM Timing mode: Both
    2- CAS Latency: 8
    3- tRCD: 8
    4- tRP: 8
    5- tRAS: 24

    The other options goes in Auto. Don't forget change the voltage to 1.65V.
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