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Thread: P5K memory volts?

  1. #1
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    Default P5K memory volts?

    Spent some time over Easter trying to solve flaky P5k, 6750, ocz 6400 gold combo (fathers). Has anyone had issues with memory voltage?
    I seem to need 1.9v (in bios) just to get it stable at less than stock speed. Probe2 doesn't give mem volts on this board so i'm shooting blind.
    stock timings 5 5 5 15 are set manually and it should run these at 1.8v

    Any and all ideas gratefully received

  2. #2
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    Default

    Am I right in thinking that the memory runs at 1.9v and the timings are 5 5 5 12.

    Stick everything at stock and go from there.

    Regards.

  3. #3
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    Default

    packaging states 5 5 5 15 website states volts 1.8v with evp (warranty) to 1.9v a different post at ocz running 4*1gig sticks @ 2.0v
    guess I'm going to have to increase above 1.9v just to get rated timings because i dont have a clue where to read mem volts on motherboard.

  4. #4
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    Default

    If the packaging states 5 5 5 15 then use that setting and stick the volts to 1.9v.

    Should work then.

  5. #5
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    I wish! at 1.9v it's stable at lower speed or flakey at rated speed. Problem is these are bios volts that I'm talking about as probe2 doesnt read mem volts on this board.

  6. #6
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    Out of curiosity, what are you using to clock your system? is it software based or are you changing the settings within the bios.

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    Bios, I've never used software based method

  8. #8
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    Default

    Some of the earlier OCZ stock needed a few extra v's to get them stable. the new gen of OCZ are quite a bit bettet now.

    1.9V's should be no problems the ram, as far as going beyond "stock" settings. do you have a screenie of your CPUZ readout... just wondering if there are any oddities that are stopping you from getting higher.

    another good idea may be to test just a single stick.. see how far up you can go and then switch them around. once you know if either are weak on the overclocking potential then you can cater around that stick of memory.

    another good thing that the previous test will help determind is if the ram is overclocking well with the Dual Chan mode. the P5K is a relitively old motherboard now and there may be some bios updates that could help the ram. (there are more settings to ram timings in bios revisions than the bios screen give us alone).

    SiliconSurge.

  9. #9
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    Hi Siliconsurge, Yes I posted elsewhere here re later version volts revision at OCZ They only mentioned the faster modules though.

    Trouble is I only had a few hours with this machine. I got it stable at 667 and 1.85v (bios) ran an hour of OCCT (mixed) a couple of times then had to leave. I live almost 300 miles away which doesn't help.

    We have been debating whether to send it to me so I can resolve this prior to my next visit. Here I could try my ram etc.

    I agree with the one stick at a time approach (good Idea).

    I updated to the latest bios on ASUS website and would have to say that probably made the problem worse than when I first started.

    Incidently, one programme (acronis disk director) seems to mess with Bios settings which also doesn,t helpI

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    I am running mine 2x2 gb gskill at 500 Mhz and 2.0v.
    try a bit lower

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