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    How to change core i3 M graphics core clock

    Discussion in 'Gaming (Software and Graphics Cards)' started by NTDragon, Jul 10, 2011.

  1. NTDragon

    NTDragon Notebook Enthusiast

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    Hi all, I'm new here in this forum...
    Anyways, to make a long story short, I want a modded bios for my C640D
    BIOS is Insyde v1.9(Checked Toshiba's website already, latest version)
    Specs for those who don't know:
    Core i3 380M (2.53 Ghz, 667 max graphics core clock, according to GPU-Z,0.5.3)
    2GB DDR3(Will up to 4GB, soon)
    320 GB Toshiba HDD, 5400 RPM
    Conexant SA HD
    Atheros AR9285 b/g/n
    Temp's never exceed 78 Degrees Celsius(with a cheap $4.99 underflow cooler :D)
    I get in Dirt 3 a steady 17 fps on ultra low+1280x720
    around 25fps on 640x480
    So is there anyone to out there who knows at least how to change the core clock of the graphics core!?
    EDIT: also are there any known tweaks or "hacks" for this issue!?
    Don't be afraid to share, thnx
     
    NTDragon, Jul 10, 2011
    #1
  2. NTDragon

    NTDragon Notebook Enthusiast

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    Bump!
    Come on guys, there should be a solution to my problem-at least a workaround...
     
    NTDragon, Jul 11, 2011
    #2
  3. NTDragon

    NTDragon Notebook Enthusiast

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    BUMP!
    WTH, come on guys!
     
    NTDragon, Jul 11, 2011
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  4. NTDragon

    NTDragon Notebook Enthusiast

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    Another Bump...
    Should I add 2GB of RAM, or should I try to sell it and get a better one?
     
    NTDragon, Jul 12, 2011
    #4
  5. User Retired 2

    User Retired 2 Notebook Nobel Laureate NBR Reviewer

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    User Retired 2, Jul 12, 2011
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  6. NTDragon

    NTDragon Notebook Enthusiast

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    Oh, goody; A reply :)
    So how do u do this pinmod exactly. Plus I'm a bit familiar with setfsb, but what does it have to do with the graphics core clock, isn't that for clocking ur cpu only!?
    Sounds like a dang serious thing to me, I'll try it though..
    But nah, eGPU isn't the solution for me, cuz I already have a mini gaming pc and I want something that can/will stay mobile within the laptop itself.
    BTW, can't I just buy a laptop grafix card and botch it up the mPCIe slot?
    or will it cause problems with the battery and chipset, also will there be space and do I have to buy a heatsink!?
     
    NTDragon, Jul 12, 2011
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  7. alxlbf2

    alxlbf2 Notebook Consultant

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    Look into the forum for a eGPU solution! Overclocking intels i3/i5/( some i7) is only possible through rising the FSB. The Multiplikator is locked and the Voltage (you may try forcing) too. A BIOS mod will you allow to change the FSB but nothing more.
    However, do not touch the BIOS at all. You dont think how complicated it is. I modded mine after doing 2 Months (!!!) Reasearch, Hexediting, Comparing, Talking with modders and so on. The result was that i have got after modding the same ( exactly the same) BIOS.fd file ( i hate InsydeH20) as already published in another forum. I flashed mine and unlocked all neccessary options for me :).

    Try as already metioned SetFSB
     
    alxlbf2, Jul 12, 2011
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  8. alxlbf2

    alxlbf2 Notebook Consultant

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    Wich SN does your NB have? ( I will look @ the BIOS). If its a 1MB .fd i´ll mod it if its a 1.5MB .fd file not ( its very complicated to do a checksum mod).
     
    alxlbf2, Jul 12, 2011
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  9. NTDragon

    NTDragon Notebook Enthusiast

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    Well, I searched a bit in the forums and found how to know ur PLL no. in notebooks; so far I couldn't find anything, plus I tried the Method which requires the use of Sandra, but of no use so far :(
    It states that the under clock generator:
    >Software programmable (Yes)
    >Read-back Support (No)
    How in in the world I'm going to find the PLL no!?
    Should I pop my notebook's back open and search for it on the mobo itself?
    Also I find it interesting that the CPU changes the graphics core clock based on it's clock itself; I probably knew and probably didn't, ah well...
    My NB is 1.5 MB, so yeah, I'll guess I'll just use Set FSB to prevent any more complications :eek:
     
    NTDragon, Jul 12, 2011
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  10. NTDragon

    NTDragon Notebook Enthusiast

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    Trying set FSB as we talk, wow this is hard work :D
    I'm not free this weekend, sadly :(
    If u want to leave me anything that should/could work for me just leave it in this thread and I'll (HOPEFULLY) read it...
    Thanx a lot :)
     
    NTDragon, Jul 14, 2011
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  11. jeremyshaw

    jeremyshaw Big time Idiot

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    Also, 667 is the IGP Turbo frequency. The base frequency for your i3 380M is 500MHz.
     
    jeremyshaw, Jul 14, 2011
    #11
  12. NTDragon

    NTDragon Notebook Enthusiast

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    PLL's tested:

    CY28349BOC- works(identifies clock only-no set)
    RTM520-39D(program not responds, then responds again)
    RTM580-255R(PLL Byte error)
    RTM862-520(Most stable PLL so far, but no set fsb, clocks not read correctly too)
    RTM876-660(Reads clock correctly, not sure all clocks are correct; Just CPU, still no Set FSB)
    Hmmm, this is awkward...
     
    NTDragon, Jul 28, 2011
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  13. NTDragon

    NTDragon Notebook Enthusiast

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    Anything, guys!?
    What shld I do, should I add 2GB of ram or sell it and get a better laptop!?
    There is one for sale that has a 4750M and a dual core i5-any good!?

    Edit: I also need a way to install a non-OEM grafix driver, cuz when I try to install the newest one from the Intel DC it states that u cant install a driver other than that of the manufacturer's, which is in my case, Toshiba..:S
     
    NTDragon, Dec 9, 2011
    #13
  14. Meaker@Sager

    Meaker@Sager Company Representative

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    Manually install them from the device manager, you may need to unpack the exe to get the actual drivers though.
     
    Meaker@Sager, Dec 9, 2011
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  15. NTDragon

    NTDragon Notebook Enthusiast

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    Oh, is that so!?
    But I once tried a similar thing and it didnt work for some reason...
    What files am I suppose to get to install them manually?
    There is a folder called x64 with 2 light-sized files inside of it, are those it?
     
    NTDragon, Dec 9, 2011
    #15