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Is 48 hours of Prime 95 stable enough? - 2500+ @ 2.2GHz (1.75v)

Discussion in 'AMD Overclocking' started by Wayne Youngman, Sep 19, 2003.

  1. Hi,

    Just got some more spare time to play with my
    *alt.comp.hardware.overclocking.amd* machine :p, yes of course all your guys
    here helped me spec up this beast, with an aim to overclock!

    I have been slow to whack up all the settings and see what kind of overclock
    I could achieve, just that this was my first AMD build in the past 4 years
    and I needed to feel happy that everything was sweet @stock settings.

    Anyway to make my CPU pass prime 95 torture test when running at 2.2GHz
    (11x200) I needed to increase the Vcore to 1.75v. I have been running
    Prime95 for nearly two days now and the Max load I saw was 51°c (during a
    very sunny day in London).

    It's still burning away right now, do you guys think that 48 hours is
    sufficient test that my overclock is stable? I'm tempted to leave it
    running and throw in Super-Pi and maybe a radeon demo to max it, or can I
    just get on with playing some games now :p

    Wayne ][
    Wayne Youngman, Sep 19, 2003
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  2. Wayne Youngman

    S.Heenan Guest

    I'd say 48 hours without a single error should be fine Wayne. A 2500+ at
    1.75V, 51°C and 2200MHz is nothing to sneeze at. Prime 95 stresses the CPU
    and memory. 3DMark2001SE is a good one to run to stress the video. The 32
    million digit test in Super Pi is also good for testing CPU/memory, though
    it's probably not necessary at this stage.
    S.Heenan, Sep 20, 2003
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  3. Hi,

    thanks for feedback, that's good to know. Towards the end of the 48hour
    test period I did indeed through in the Super PI 32 mill test, so it was
    running both of them simultaneously, all good. Just to push it I ran my ATI
    Gargoyle screen saver, so now all three were running. All worked fine! 0%
    errors. .

    Funny how 0.25v can make the difference between total rock solid (1.75v) and
    fail Prime95 fast (1.725v). Nick Salmon mentioned that it may be safer to
    bump it up another *notch* (1.775v) to give it even more stability, I will
    bare that it mind. . .

    Now if only I could get my chip to 2.3-2.4GHz like you Pro's, he-he 2.2GHz
    does indeed feel like a rocket-ship, so either way it's all good :)

    I think I may loop 3DMark2001SE or something like that to double check the
    3d side of things. .

    Wayne ][
    Wayne Youngman, Sep 20, 2003
  4. Having skipped an E.L.F. meeting to be here, "Wayne Youngman"
    There's something BETTER than 'rock solid'??

    To reply by email, remove the XYZ.

    Lumber Cartel (tinlc) #2063. Spam this account at your own risk.

    It's your SIG, say what you want to say....
    Never anonymous Bud, Sep 20, 2003
  5. Wayne Youngman

    S.Heenan Guest

    Or even 1/10th of .25V Yes, it can and often does make a difference. Due
    to the thread priority of different applications, I'm not sure running P95
    and Super Pi, at the same time provides the same test as running them
    seperately. At any rate, try something to stress the video card,
    3DMark2001SE, Quake 3 Demo, etc. Then pat yourself on the back for a job
    well done.
    S.Heenan, Sep 20, 2003
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