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Thread: Ga-p35c-ds3r




  1. #51
    Join Date
    Apr 2009
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    Default Re: Ga-p35c-ds3r

    Thank you for that, it's just that we are having problems getting above 19 GFlops on the IBT and Chike thought that adding more FSB voltage may help us increase the GFlops?
    Other than that we seem to have hit the wall at 19 GFlops.
    Just as a reference at the standard settings the CPU wil achieve around 15 GFlops while running IBT.
    Last edited by Gazjoe; 04-07-2010 at 11:20 PM. Reason: More info added
    GA-P35C-DS3R
    Intel E6750 @ 3.4GHz 425MHz bus
    Mem x 3.2 @ 1360 MHz DDR3 OCZ3P1333LV4GK 6-7-7-18 tRFC 66 tRD 7
    FSB +0.1V
    DDR +0.3V
    MCH +0.2V
    Vcore 1.4V
    Gainward HD4750 golden sample
    OCZ SXS 600W

  2. #52
    Chike is offline Senior Member
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    Israel
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    Default Re: Ga-p35c-ds3r

    15 GFlops at stock do match 19GFlops at 3.4GHz (15 x 3400 / 2669 = 19.17) but I wonder why the stock GFlops are so low.
    Ken429 has 22.5+ at 3.48GHz, which are about 17.1 at stock.
    My CPU does 16.9 at stock which are about 17.5 at 2.66GHz.
    A real mistery.

  3. #53
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    Apr 2009
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    Default Re: Ga-p35c-ds3r

    Perhaps it is the older P35 (G33) chipset that is slower than your MB chipset? Not sure what MB Ken429 is running.
    I have found some data on the CPU (see below) and it states that it should reach 21.28 GFlops but I am not sure how they benhmark that result?

    Last edited by Gazjoe; 04-08-2010 at 03:30 AM.
    GA-P35C-DS3R
    Intel E6750 @ 3.4GHz 425MHz bus
    Mem x 3.2 @ 1360 MHz DDR3 OCZ3P1333LV4GK 6-7-7-18 tRFC 66 tRD 7
    FSB +0.1V
    DDR +0.3V
    MCH +0.2V
    Vcore 1.4V
    Gainward HD4750 golden sample
    OCZ SXS 600W

  4. #54
    Chike is offline Senior Member
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    Default Re: Ga-p35c-ds3r

    Your bard is P35 chipset not G33 which only control data transfer between the CPU memory and peripherals.
    Your memory results aside from write are better than mine. I doubt it is the write that cause it but I'll make some experiments tomorrow.
    Might be just the CPU itself.

    Yes the numbers are meanigless unless you know what software and conditions have been used to get them.

  5. #55
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    Apr 2009
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    38

    Default Re: Ga-p35c-ds3r

    Cool, look forward to seeing the results tomorrow Chike..
    GA-P35C-DS3R
    Intel E6750 @ 3.4GHz 425MHz bus
    Mem x 3.2 @ 1360 MHz DDR3 OCZ3P1333LV4GK 6-7-7-18 tRFC 66 tRD 7
    FSB +0.1V
    DDR +0.3V
    MCH +0.2V
    Vcore 1.4V
    Gainward HD4750 golden sample
    OCZ SXS 600W

  6. #56
    Chike is offline Senior Member
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    Israel
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    Default Re: Ga-p35c-ds3r

    I ran IBT at 2.66GHz and 3.4GHz, with loosened timings, but I couldn't manage wite below 8300 with 400MHz FSB.


  7. #57
    Join Date
    Apr 2009
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    38

    Default Re: Ga-p35c-ds3r

    It's really strange how my write is so low compared to the read, and the same with the CPU and its low GFlops...any ideas anyone pleeeeease?
    GA-P35C-DS3R
    Intel E6750 @ 3.4GHz 425MHz bus
    Mem x 3.2 @ 1360 MHz DDR3 OCZ3P1333LV4GK 6-7-7-18 tRFC 66 tRD 7
    FSB +0.1V
    DDR +0.3V
    MCH +0.2V
    Vcore 1.4V
    Gainward HD4750 golden sample
    OCZ SXS 600W

  8. #58
    Chike is offline Senior Member
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    Israel
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    Default Re: Ga-p35c-ds3r

    I've made another test with lower FSB and memory write and it only got worse by 0.1 GFlops.
    I think it's not the write but it may be related, you had 8GB/s at one point then it dropped to 7GB/s, do you remember why?

    Maybe I'll know more when I finally get my memory back from RMA and have my P35 board running.


  9. #59
    Join Date
    Apr 2009
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    38

    Default Re: Ga-p35c-ds3r

    Can't remember ever getting Mem write above 8BG/s.
    Latest Maxxmem test;
    Copy 8482
    Read 9021
    Write 7400
    Latency 56.3
    Just playing with Vcore again to see if I can increase IBT score, @ 1.437V I get 19.7 GFlops.
    GA-P35C-DS3R
    Intel E6750 @ 3.4GHz 425MHz bus
    Mem x 3.2 @ 1360 MHz DDR3 OCZ3P1333LV4GK 6-7-7-18 tRFC 66 tRD 7
    FSB +0.1V
    DDR +0.3V
    MCH +0.2V
    Vcore 1.4V
    Gainward HD4750 golden sample
    OCZ SXS 600W

  10. #60
    Chike is offline Senior Member
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    Israel
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    Default Re: Ga-p35c-ds3r

    Yes sorry, 7557 in post #37, about as mine in post #58, and much better read and latency so it must not be it.

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