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Thread: i7 Question

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    affiliate13's Avatar
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    i7 Question

    Since the memory controller is on-chip how will this effect overclocking?

    I understand the multiplier is at 22 but can go higher but i am confused about how Vcore and Vdimm are managed.

    Any links or ideas?
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    All i know is that vCore=vDIMM with i7, it's a single control.
    This limits the speed that the DIMM can reach since if you put 1.8/1.9 through the core to push the memory you will probably kill it.

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    affiliate13's Avatar
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    So CPU overclocks are fine but overclocking the memory will be a problem?
    I wonder will someone design something to add VDIMM separately (like this http://www.cluboc.net/reviews/memory...ster/index.htm), not that it really matters for day to day use but i was confused on that point.
    PC:
    ASUS RIIE // Intel i7 920 D0 4.4Ghz 1.375v //
    OCZ Reaper 1800 C8 // Sapphire 5970 1Ghz x2 //
    Intel X25-M G2 80GB RAID0 // BeQuiet DPP 1200w //
    Seagate 500GB 32mb 7200 // LG BR //

    Cooling:
    TFC Monsta 6xSharkoon 1200rpm 140mm //
    HWL GTX480 4xScythe Ultra Kaze 2000rpm //
    EK Supreme LT // EK FC-5970 // XSPC RS120 //
    Laing DDC1 3.2 x2 // XSPC Res-tops // KL QDCs

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    If worst came to worst then you'd just have to buy higher speed memory, but it would be surprising if vDIMM and vCore were linked.... have you got any links to info Kelainefes? AMD CPUs have had the memory controller on-die for a while, and you can set both voltages independently with those.......



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    GSte's Avatar
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    Hmmm.... I guess we'll have to see. I've got all my pennies in the bank waiting...... It's supposed to be a paper release in September with CPUs and mobos in the channel by mid-late October right?



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    Regarding the linked voltage thing, I think that there must be more to it, or that they will split the circuits because otherwise, it will mean that all the DDR3 that has been sold in the last year or so will be useless, or won't be able to run at it's rated speed and I can't see that going down well.

    I also can't see the point of having a 45nm CPU that could in theory run at 1.1v or less and then pump 1.5v through it just so that the DDR3 will run.

    I reckon the first motherboard firm to split the circuits will be onto a winner....that's if it's possible

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