[HowTo] SO-DIMMs Extreme: Boost 1600 to 2133 and beyond / JEDEC & XMP

Discussion in 'Hardware Components and Aftermarket Upgrades' started by James D, Jan 4, 2012.

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  1. jaybee83

    jaybee83 Biotech-Doc

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    thats also the reason why i went for the corsair sticks :) theyre bootstable up to 2400 mhz but couldnt get them primestable at that speed. so i went down one notch to 2200 mhz and tightened up all timings as much as possible. happy with the outcome :)

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  2. chris89

    chris89 Notebook Consultant

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    Is it possible to flash ECC buffered ram to Unbuffered non-ecc or Unbuffered ecc?

    I guess I'd have to do it on an ECC board to flash them compatible with non-ecc boards.
     
  3. Oxford_Guy

    Oxford_Guy Notebook Evangelist

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    What stable timings were you able to get at 2200 mhz?
     
  4. jaybee83

    jaybee83 Biotech-Doc

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  5. Oxford_Guy

    Oxford_Guy Notebook Evangelist

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  6. jaybee83

    jaybee83 Biotech-Doc

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    premamod indeed unlocks these settings in bios, but i actually used xtu, way easier to finetune settings cuz it automatically resets and reboots after a crash as opposed to having to pull the cmos battery every time i input unstable bios settings ;)

    in the end itll depend on your cpu IMC, ram sticks and the applied voltages to digital / analog IO and system agent, whether or not u can reach specific speeds and timings :)

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  7. Oxford_Guy

    Oxford_Guy Notebook Evangelist

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    Okay, thanks, that's useful to know. So you need to flash to the Prema Mod bios to unlock the settings, but then actually change them in XTU, right? To be honest, I'll still be happy as long as I can at least get the RAM to run at 2133MHz on the stock timings on my P651SE, but I may try to push it a little further.

    Indeed! Fingers crossed!
     
  8. jaybee83

    jaybee83 Biotech-Doc

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    actually, the settings were already unlocked before i flashed prema bios :) they just werent unlocked in the bios itself. no idea though if thats gonna be the same with the P650 series. also, my corsair sticks booted at 2133 mhz right away, i didnt have to manually adjust them :) this was different in my previous rig (P150HM), where they booted with 1866 Mhz and i manually had to set them to 2133 Mhz.
     
  9. Oxford_Guy

    Oxford_Guy Notebook Evangelist

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    When I asked HTWingNut about how it would work on the Clevo P650 series with 1866Mhz or 2133Mhz RAM he said "Stock BIOS will run at 1866MHz and detect it just fine. 2133MHz will work just will run at 1866MHz. Prema's modded BIOS should allow for it running at the faster speed."
     
  10. Oxford_Guy

    Oxford_Guy Notebook Evangelist

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