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    M17 p8400 overclocked its self

    Discussion in 'Alienware' started by ComA~TosE, Feb 23, 2009.

  1. ComA~TosE

    ComA~TosE Notebook Guru

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    hi all

    lastnight i was running 3dmark 06 and my laptop scored 12218 which i knew was high so i run it agen and still scored in the 12000 mark.

    so i ran cpuz and my clock speed 2.93ghz which was also displayed in 3dmark after i turned it off it went back to normal just a strange thing to happen shame it didnt stay like it

    what do you think could of caused this
     

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    ComA~TosE, Feb 23, 2009
    #1
  2. kcuk

    kcuk Notebook Evangelist

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    ha ha i got that processor

    tell me exactly what you did coz i wanna do it....
     
    kcuk, Feb 23, 2009
    #2
  3. whizzo

    whizzo Notebook Prophet

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    this might be the result of the new OCable BIOS...
     
    whizzo, Feb 23, 2009
    #3
  4. ryujin

    ryujin 2B or not 2B

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    the lower one is dated 30 Jan.
    the higher score is 20 Feb.

    Unless he DLed the new BIOS, i cannot support that theory whizzo... :D
     
    ryujin, Feb 23, 2009
    #4
  5. Charles P. Jefferies

    Charles P. Jefferies Lead Moderator Super Moderator

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    I think that's a misread, I don't see how the clockspeed would have reached 2.93GHz on a chip that only runs at 2.26GHz. The P8400 has a locked multiplier of 8.5x so its frequency cannot be changed without altering the FSB speed (which isn't possible in the BIOS of the Whitebook).

    The latest Core 2 Duo processors automatically overclock one core if the other core is not being used. But not both cores . . .

    Please post a CPU-Z screenshot.
     
    Charles P. Jefferies, Feb 23, 2009
    #5
  6. ComA~TosE

    ComA~TosE Notebook Guru

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    but the score reflects the change in clock speed i havent tryed overclocking or changing the bios and i run 3dmark a few times but after i turn off it when back to normal i checked it with cpuz so it wasn't just 3dmark

    sorry havent got cpuz screen shot but the proof is in the results i know 3dmark isnt always correct with clock speeds but no way could i score 12000
    with out an overclock

    its so strange im completly puzzled
     
    ComA~TosE, Feb 23, 2009
    #6
  7. whizzo

    whizzo Notebook Prophet

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    think you can replicate the effect?
     
    whizzo, Feb 23, 2009
    #7
  8. ComA~TosE

    ComA~TosE Notebook Guru

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    i wish i have no idea what i had done the only thing i can think of was i was playing burnout for the first time
     
    ComA~TosE, Feb 23, 2009
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  9. whizzo

    whizzo Notebook Prophet

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    right. well i think it'll be fairly easy to check if burnout is related to this issue...
     
    whizzo, Feb 23, 2009
    #9
  10. ComA~TosE

    ComA~TosE Notebook Guru

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    yeh i will have a go and see what happens do u think i could be a defective cpu
     
    ComA~TosE, Feb 23, 2009
    #10
  11. whizzo

    whizzo Notebook Prophet

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    what's defective about it if it works better than advertised? :D
     
    whizzo, Feb 23, 2009
    #11