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Thread: Overclocking a P4 1.8




  1. #11

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    Some CPU's just don't overclock very well. My 1.9 would only get up to 2.1 not matter what I did I got crashes to desktop and blue screens and all the rest. You might be in the same boat as me.

  2. #12
    Join Date
    Oct 2003
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    Thats good then. so me getting my 1.8 to 2.2 is fairly good then. im pretty sure that my memory is only cheap stuf so that is probably holding it back.

    Thanks for your help people!

  3. #13
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    Oct 2003
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    Quote Originally Posted by smokin_pc
    i think ur using pc2700 ram. cause on ur sisoftware test, the right part shoew how many mhz ur ram is. if the ram is ddr ram, then it should be 333.
    Isnt pc2700 ram DDR anyway??? :shrug:

    To be honest i dont even think mine is that good. Does anyone know a surefire way of finding out what memory i am running with??? ps. If i have one pc2100 stick and one pc2700 stick will they both run at the slower speed??

    Please help cause this is doing my brain in :wow: :wow:

  4. #14
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    Oct 2003
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    I had a look at my memory and one of the sticks hasa sticker saying pc2100. doesnt that mean that it should be running at 266mhz and not 162mhz..... What is going on...?

    In the bios the dram ratio is 3:4 and i can only change that to 1:1.

    help....

  5. #15
    Join Date
    Aug 2003
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    1,790

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    DDR = Double Data Rate

    If it really is 2100, which is 133mhz, and its running at 162mhz (DDR324) thats not bad.

    Change the divider to 1:1 so you lower the speed of the RAM.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

  6. #16
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    Oct 2003
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    So, let me just get this straight. DDR is double data rate, so the clock speed that is shown in wcpuid is the speed of the memory before it has been doubled? So my 162mhz is actually running at 324mhz?

    So there isnt atually anything wrong with how its running now?

    Why would i want to slow the memory down?? I'm a bit confused with that one?

    (last thing)
    the agp/pci speeds, do they wanna be fast or slow? the Pc is stable with fast and slow speeds but which is best.

  7. #17
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    Aug 2003
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    Quote Originally Posted by simonbt
    So, let me just get this straight. DDR is double data rate, so the clock speed that is shown in wcpuid is the speed of the memory before it has been doubled? So my 162mhz is actually running at 324mhz?
    That is correct. The actual speed would be 162mhz but its effectively as productive as 324mhz because it does 2 things per clock.

    there isnt atually anything wrong with how its running now?
    Nope.

    Why would i want to slow the memory down?? I'm a bit confused with that one?
    Because its overclocked, and you don't want it becoming your bottleneck. Run it 1:1 with the FSB speed so it doesn't stop you from going higher.

    (last thing)
    the agp/pci speeds, do they wanna be fast or slow? the Pc is stable with fast and slow speeds but which is best.
    66/33mhz for the AGP/PCI.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

  8. #18
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    Oct 2003
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    Thanks, i will change all that now.

    You've all been a great help. :)

  9. #19
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    Oct 2003
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    i have changed my Dram ratio to 1:1 abut i cannot get the fsb above 122.... It has also slowed my memory down to 122mhz.... that cant be a good thing...

    I'm gonna up the dram back to 3:4 and leave it there...

    I think i've got to the top speed now anyway.

  10. #20
    Join Date
    Aug 2003
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    1,790

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    Yeah if you've found your top speed use the 3:4 setting. It may be your cooling or it may need more voltage.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

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