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  1. #1
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    RlVBE - Manual XMP Set-Up (?)s

    Finally finished this build and am running pretty much at stock settings. I would like to get my ram up and running at speed but would like to set it up manually instead of just hitting XMP. I'm trying to keep voltage as lean as possible but without sacrificing stability. I have a 3930k and a 4x4Gb kit of GSkill Ripjaw Zs 2133Mhz(boots at 1600Mhz). I have manually set the ram timings to spec but I see that JDEC lists them differently than what's listed on the ram. Do I use what's labeled or what JDEC says for 2133Mhz? The only other thing I have changed is VCCSA, which I set to 1.1v. Is there anything else I should look to change before I set the ram speed to 2133Mhz? Please link me if there is a post that already covers what I'm asking. I have just finished pouring over pages after pages amd I haven't quite found what I needed. Thanks!

  2. #2
    ROG 師傅 Array Arne Saknussemm PC Specs
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    If you want to set up manually just input the timings on the label on the sticks themselves (primary timings) and leave the rest on auto set frequency and set Vdimm to whatever is rated...1.5v I presume....VCCSA at 1.1 is good maybe VTT to the same? You can try to reduce these two a bit more until you find instability and then back up a bit...1.025 1.05 1.075 values...

  3. #3
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    Thanks and done. Seems to be running fine. I'm gonna run Memtest for a while before I try to lower the voltage.

    Any particular reason that JDEC shows different timings?

  4. #4
    ROG Enthusiast Array Gunslinger's Avatar
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    JDEC will show the industry DDR3 "standard" timings and speeds (think no OC) - which are much lower than what XMP will be (manuf. rated speed and timings)

  5. #5
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    Thanks guys. All seems good after 6 hours of memtest86. As for VTT - by watching it in "auto" I'm going to assume that the stock setting is 1.05v. It seems to bounce around 1.05v to 1.07v when under auto. I just set it to 1.05v. What about the second VTT? I have just left it on auto. Should I go ahead and set it the same as the first VTT?

  6. #6
    ROG 師傅 Array Arne Saknussemm PC Specs
    Arne Saknussemm PC Specs
    Laptop (Model)Laptop?...No way! (Model?...Jun Amaki...yes way!)
    MotherboardROG ZENITH EXTREME
    ProcessorTHREADRIPPER 1920X
    Memory (part number)F4-3200C14Q-32GVK
    Graphics Card #1GTX Titan X
    Graphics Card #2SLI is dead to me
    Graphics Card #3Tri SLI is even dead to Nvidia
    Graphics Card #4Quad SLI is dead to everybody especially my credit card
    Sound CardXonar Essence STX
    MonitorASUS ROG Swift PG279Q
    Storage #1Samsung 950 PRO
    Storage #22x OCZ VERTEX 3/2x WD Caviar Black 500GB / 2x WD RED 2TB
    CPU CoolerCustom Loop: Dual D5s, Dual Alphacool Monsta 480s, XSPC Raystorm Neo TR4, EK TitanX WaterBlock
    CaseNope!...Phobya Bench...let it all hang out man!
    Power SupplySeasonic SS-1200XP3
    Keyboard Logitech G810 or Fender Rhodes Electric Piano (MKI 73)
    Mouse G502 or Speedy Gonzalez...not Mickey...don't do Disney!
    Headset ...firmly on neck
    Mouse Pad Mouse don't got his own pad man...lives with me
    Headset/Speakers Edifier Spinnaker...or you mean the speakers in my head...man too many voices to name them all
    OS Win XP, 7, 8, 8.1 and Windows 10 Spyware Edition
    Network Router56k modem
    Accessory #1 Umm...nice tie?
    Accessory #2 Err...belt?
    Accessory #3 3 accessories?! I'm not a girl!!
    Arne Saknussemm's Avatar
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    Sounds good...I have always left that on auto...I must admit...

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