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Ram Timing OCZ Reaper HPC Ram

Hello i need help setting the ram timings to the proper settings for my ram and motherboard. I have a Rampage 3 Extreme Motherboard with 3x 2gb OCZ Reaper HPC ram (oczrpr1600r2lv6gk) I have included 2 images of my bios please help me determine the correct settings for my new ram. Thanks



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  1. Best answer
    Looks like you're asking everywhere ;)

    There's
    Set 1 http://www.ocztechnology.com/ocz-ddr3-pc3-12800-intel-i7-triple-channel-rev-2.html
    OCZ3X1600R2LV6GK
    1600 8-8-8-24-2N @ 1.65v

    Set 2 http://www.ocztechnology.com/ocz-ddr3-pc3-12800-reaper-r2-low-voltage-triple-channel.html
    OCZ3RPR1600R2LV6GK
    1600 7-8-8-24-2N @ 1.65v

    I'm assuming Set 2. The set 2 per the OCZ site lacks XMP which is the easiest method so Manually it is:

    BIOS:
    Ai Overclock Tuner -> Manual
    DRAM Frequency -> DDR3-1600MHz
    DRAM Timing Control /Enter
    DRAM CAS# Latency -> 7
    DRAM RAS# to CAS# Delay -> 8
    DRAM RAS# PRE Time -> 8
    DRAM RAS# ACT Time -> 24
    -
    DRAM Timing Mode -> 2N
    -
    DRAM Voltage -> 1.64~1.65v {depends on menu}
    -
    QPI/DRAM Core Voltage -> 1.30v ; optional but it's better to set manually.
    -
    Save & Exit = Yes

    Test with Memtest for at least 2-passes, create a bootbale CD/DVD and use the ISO/zip file -> http://www.memtest.org/

    Good Luck! :)
  2. ok thanks i will run the memtest tonight. I have one more question what are all of the other ram settings for? and how do i know if all the auto settings are set to a correct setting? what ram is better:

    1. http://www.ocztechnology.com/ocz-ddr3-pc3-12800-intel-i7-triple-channel-rev-2.html

    OCZ3X1600R2LV6GK

    or

    2. http://www.ocztechnology.com/ocz-ddr3-pc3-12800-reaper-r2-low-voltage-triple-channel.html

    OCZ3RPR1600R2LV6GK
  3. Better RAM = same; OCZ got out of the RAM Mfg business. Theoretically, the OCZ3RPR1600R2LV6GK 1600 7-8-8-24-2N @ 1.65v, but I typically don't like loose CAS and prefer 8-8-8-24.

    Any of the other CAS timings beyond 7-8-8-24-2N leave them alone the BIOS will adjust properly.

    Good Luck! :)
  4. ok thanks for your help. I had 1 stick of my 12gb of OCZ3X1600R2LV6GK ram fail and OCZ replaced them with 12gb of OCZ3RPR1600R2LV6GK ram did i get a good deal?
  5. Best answer selected by cbcteaser.
  6. The OCZ3RPR1600R2LV6GK looks to have a better cooling sink though it's Gigantic. My only real concern is clearance to some HSF e.g. Noctua NH-D14, but they should run fine.

    Take Care! :sol:
  7. Thanks for the best help one could ask for :). I was concerned about size aswell. I am using the stock DBX-B heatsink that is included with the i7 980x and there is just enough room for 6x 2gb OCZ Reaper HPC

    Thanks again - Live Long and Prosper ;)
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