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Thread: 'Petite Bertha' cascade brings it up to 250.4x21 Spi32M @-110C

  1. #1
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    'Petite Bertha' cascade brings it up to 250.4x21 Spi32M @-110C

    With another Cascade... Cold helped for stability but didn't give BCLK improvement. I've to find a way for clocking above 250BCLK now.

    Latest beta BIOS helps with cold-boot, which has decreased from -40C to about -55C now. This makes reboots a bit less boring.

    Furthermore, altought the CPU was cold-bugged at -105C with original BIOS, it now runs less than -110C without problem. Very tempting for the 3-stager...

    No need to turn HT off. Amazing motherboard!

    Max screen/ BCLK - Max bench



    Faster time

    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

  2. #2
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    Brutal. Everything
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  3. #3
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    wow, very impressive!!!
    "bound to cover just a little more ground"

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    wew,very impressing
    keep pushing bro

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    but what can it do on air?

  6. #6
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    Quote Originally Posted by fitseries3 View Post
    but what can it do on air?
    better than your's and freaksaviors



  7. #7
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    5250MHz SuperPi 32M on Petite Bertha, nice one Xavier

    But what about that Coldboot @ only -55*C ? Must be hard for you to heat it up with the 3-Stager Petite Bertha, do you close two stages and wait for the CPU to heat up ?

  8. #8
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    Quote Originally Posted by I34z1k View Post
    Brutal. Everything
    Thanks

    Quote Originally Posted by pauld5999 View Post
    wow, very impressive!!!
    Thanks

    Quote Originally Posted by sandy View Post
    wew,very impressing
    keep pushing bro
    Thanks

    Quote Originally Posted by fitseries3 View Post
    but what can it do on air?
    Dunno lol TBH I don't care about that.

    Quote Originally Posted by George_o/c View Post
    5250MHz SuperPi 32M on Petite Bertha, nice one Xavier

    But what about that Coldboot @ only -55*C ? Must be hard for you to heat it up with the 3-Stager Petite Bertha, do you close two stages and wait for the CPU to heat up ?
    Thanks mate Didn't try under the 'Grosse Bertha' yet, only under the 'Petite' lol... which is a huge 2-stager. Acutally, when the Classified automatically reset, I've to turn off second stage and wait for the CPU to heat up.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

  9. #9
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    Almost 100% overclock benchable, nice one!

  10. #10
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    excellent results, you have an army of cascades

    your 3 stage is what -125°? Can the cpu go this cold?

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    Congrats...respect

    ..and Grosse Bertha ROCKS..
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    With 1500ps CPU Skew, it did the trick for suicide.



    Quote Originally Posted by FoamGlass View Post
    Almost 100% overclock benchable, nice one!
    Thanks!

    Quote Originally Posted by TheKarmakazi View Post
    excellent results, you have an army of cascades

    your 3 stage is what -125°? Can the cpu go this cold?
    I'm not sure cold-bug looks like tRC related; with about 55, the chip cold-bugs at about -105C, but with 60 it can go down to about -110C. Btw I've got no BCLK improvement from -84C to -110C; only a bit better stability to run Spi 32M at 249 and 250.

    Quote Originally Posted by Norz View Post
    Congrats...respect

    ..and Grosse Bertha ROCKS..
    Thanks mate... that's only the 'little' one not the 'big' Bertha
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

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    Quote Originally Posted by before View Post
    With 1500ps CPU Skew, it did the trick for suicide.

    now that is a great run, nice stuff!
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    Nice setup all the way around, grats.
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    Quote Originally Posted by systemviper View Post
    now that is a great run, nice stuff!
    Thanks mate

    Quote Originally Posted by FUGGER View Post
    Nice setup all the way around, grats.
    Thanks.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

  16. #16
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    Excellent result Xavier.. Really strong cascade


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    Nice Xavier



    benching at 250Mhz of bclk is just insane :S
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  18. #18
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    Quote Originally Posted by Bullet92 View Post
    Excellent result Xavier.. Really strong cascade
    Thanks mate.

    Quote Originally Posted by PcCI2iminal View Post
    Nice Xavier



    benching at 250Mhz of bclk is just insane :S
    Thanks PcCI2iminal-san.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

  19. #19
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    Quote Originally Posted by before View Post

    Thanks mate Didn't try under the 'Grosse Bertha' yet, only under the 'Petite' lol... which is a huge 2-stager. Acutally, when the Classified automatically reset, I've to turn off second stage and wait for the CPU to heat up.
    Before, did you just leave it there for a while let it recuperate it self? I know it will go like F3, F6, F8 blar blar and wait at something pretty long but eventually go back to b8 and you're good, just don't press reset or power button.

  20. #20
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    You mean when it crashes, just to let it recovering?
    Last edited by before; 05-25-2009 at 02:16 AM.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

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    yea i mean with oc recovery at disabled but just wait .

  22. #22
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    outstanding benching Before , it seemed that your hw match and way to work is

    keep pushing it

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    Quote Originally Posted by LardArse View Post
    yea i mean with oc recovery at disabled but just wait .
    ok mate; gonna try this way.

    Quote Originally Posted by Oliver View Post
    outstanding benching Before , it seemed that your hw match and way to work is

    keep pushing it
    Thanks buddy.
    Best Regards,
    Xavier


    "I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." Col. René Fonck (1894-1953), the Ace of Aces.

  24. #24
    OC Jedi (on stand-by)
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    Amazing stuff Xavier!

    Great results for "just" a i7-920!

    Btw where did you get that cascade from?
    オタク
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  25. #25
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    Quote Originally Posted by Fr3ak View Post
    Amazing stuff Xavier!

    Great results for "just" a i7-920!

    Btw where did you get that cascade from?
    He builds them AFAIK.

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