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    How to overclock AMD 7770M

    Discussion in 'Gaming (Software and Graphics Cards)' started by pterodactilo, Jan 3, 2013.

  1. pterodactilo

    pterodactilo Notebook Consultant

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    I tried MSI Afterburner but screen will start to flicker even with 1Mhz increases on core clock. Has anyone tried to overclock this card?
     
    pterodactilo, Jan 3, 2013
    #1
  2. sangemaru

    sangemaru Notebook Deity

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    run afterburner with the -xcl parameter, restart system and overclock through catalyst. it'll trouble you no more.
     
    sangemaru, Jan 3, 2013
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  3. pterodactilo

    pterodactilo Notebook Consultant

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    I can't find any overclock section on catalyst. I have 12.11 beta installed.
     
    pterodactilo, Jan 3, 2013
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  4. Zymphad

    Zymphad Zymphad

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    You need to have access to OverDrive, which you don't. You'd need to do a custom vBIOS flash, but since you have a 7770M, likely have switchable and impossibly to flash a new vBIOS. So just look for unofficial overclocking with afterburner in google.
     
    Zymphad, Jan 3, 2013
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  5. pterodactilo

    pterodactilo Notebook Consultant

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    To be more exact I have the firepro equivalent which is M4000 . Hardware-wise both are the same. It is an mxm 3.0a module installed in a Dell Precision M4600. I've tried to overclock the card with MSI afterburner by enabling the overclock opotions in the configuration file, the problem is screen will flicker with non default clocks. This happens while in 2D mode, not in 3D apps oddly enough.
     
    pterodactilo, Jan 3, 2013
    #5
  6. Marecki_clf

    Marecki_clf Homo laptopicus

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    To address this issue, You need to edit the MSIAfterburner.cfg file and set UnofficialOverclockingMode to 2. This disables PowerPlay though, Your GPU will run at maximum clocks even when idle.
     
    Marecki_clf, Jan 3, 2013
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  7. ronferri

    ronferri Notebook Evangelist

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    can i apply the same procedure to the 6770M ?
     
    ronferri, Jan 3, 2013
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  8. sasuke256

    sasuke256 Notebook Deity

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    why not use TRIXX ?
     
    sasuke256, Jan 3, 2013
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  9. pterodactilo

    pterodactilo Notebook Consultant

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    I found a guide on guru3d on unofficial overclocking with afterburner. I followed it and now image is completely stable , no flickering. Thanks! This card has such a overclock potential! I managed to get 880 for core and 1150 for vram and works like a charm. No artifacts at all during gameplay. Now I wonder how to flash the card with a modded bios to make changes permanent. . There are modded bioses out there for 7970M but not for 7770M or fireproM4000 and apparently RBE 1.28 does not support the 7000M series.
     
    pterodactilo, Jan 4, 2013
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  10. WARDOZER9

    WARDOZER9 Notebook Consultant

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    Just a heads up but the M4000 is the 7750M equivalent, not the 7770M. The M6000 is the equivalent of the 7770M.

    Also, since you likely have a Dell M4700 or HP 8570W, those likely have very restrictive vbios and are hard locked to the stock speed. Check the prospective owners lounge for your product here and get verification but imho. Dont oc your card, it will likely require a vbios hack that will nullify your warranty. Why pi$$ away a 3-year warranty for 1-5 fps?
     
    WARDOZER9, Jan 5, 2013
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  11. pterodactilo

    pterodactilo Notebook Consultant

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    According to notebookcheck.com the AMD Firepro M6000 is equivalent to 7870M and M4000 to 7770M. Difference between 7770M and 7750M is just clock speed but both have 512 shaders, just like M4000 whereas firepro M6000/7850M/7870M are full cape verde chips with 640 shaders.

    Yeah, I have a Dell M4600 but swapped the stock nvidia 1000M with the more powerful M4000. Warranty for spare parts bought from dell is 3 months, so I'm out of warranty anyways.
     
    pterodactilo, Jan 5, 2013
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  12. PaKii94

    PaKii94 Notebook Virtuoso

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    im surprised u got so much outta your card. the highest i have gone between 3 different cards is 740/1125. (this is wht the 7750m tho)
     
    PaKii94, Jan 5, 2013
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  13. pterodactilo

    pterodactilo Notebook Consultant

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    but if I'm not mistaken default speed of 7750M is 575 MHz and M4000's is 675 MHz. 740 Mhz is 29% clock increase from base speed, the same as 880Mhz with respect to 675.
     
    pterodactilo, Jan 6, 2013
    #13
  14. PaKii94

    PaKii94 Notebook Virtuoso

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    oh then yeah the clocks of urs match up to 7770m
     
    PaKii94, Jan 6, 2013
    #14
  15. Pete Mitchell

    Pete Mitchell Notebook Guru

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    Hi Guys, i need to ask you a favour...
    Can somebody link me a 7770m bios?
    I bought one... it has chip vbios, but i think is for apple beacause of blue pcb...
    It is not reconized by windows nor main bios.
    I have an Acer 5935g switchable graphics, but i tried every option in bios (switchable/integrated/discrete)
    Can somebody help me?
    Thanks in advance
    P.S. if gpu-z doesn't work to extract bios you could use atiflash in dos mode..
     
    Pete Mitchell, Jun 10, 2013
    #15
  16. Meaker@Sager

    Meaker@Sager Company Representative

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    My 7770m runs just shy of 1ghz when pushed. Its mostly the motherboard holding it back.

    Pete you said you had got a bios from techpowerup.

    Ive not had a bounceback of the email I sent and I double checked the address so check your spam folder.
     
    Meaker@Sager, Jun 10, 2013
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  17. Pete Mitchell

    Pete Mitchell Notebook Guru

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    When i said so? which email addresse you used? i didn't give you my email because you didn't replied. Can you upload it somewhere? do you still want pics of my 7770m?
     
    Pete Mitchell, Jun 11, 2013
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  18. Pete Mitchell

    Pete Mitchell Notebook Guru

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    Just checked spam folder...nothing... probably you sent to somebodyelse...
     
    Pete Mitchell, Jun 11, 2013
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  19. Bob

    Bob Notebook Consultant

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    Max OC ive seen running on a 7750m is 740/1100
     
    Bob, Jun 11, 2013
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  20. X05

    X05 Notebook Enthusiast

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    Sorry for the bump, but I'm interested in the option of flashing these cards :)
    Any news on that front?

    I have a M6000 which is at 1000/1300 currently (a 25% and 30% up from 800/1000), and given the fact that it's pretty cool at 62°C under load, I'd say it does have some OC room if overvolted
     
    X05, Jul 24, 2013
    #20
  21. TBoneSan

    TBoneSan Laptop Fiend

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    The beta version of AB fixes the screen flickering issue.
     
    TBoneSan, Jul 26, 2013
    #21