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Vapor-X flashed with Asus Unlocked bios still no voltage changes in MSI Afterburner

Discussion in 'AMD / ATI' started by puma99dk|, May 27, 2010.

  1. puma99dk|

    puma99dk|

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    i flashed my Sapphire Radeon HD5770 Vapor-X 1GB card (It has Samsung Memory on) with the Asus Unlocked from XS

    http://www.xtremesystems.org/forums/showthread.php?t=237414

    but MSI Afterburner don't show Core Voltage even i when it's enabled and GPU-Z shows the Asus bios i used ATiFlash to flash the bios with the commander: atiflash -p -f asus.bin

    to force flash it and it flashed it without a problem so i don't get it, is MSI Afterburner that can't use ATi Catalyst 10.4 or does my card just have voltage chip on that doesn't support software voltage adjustment?

    [​IMG]

    Attached Files:

  2. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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  3. LouCi4er

    LouCi4er New Member

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    I think that your card is a non-reference.Non-reference cards haven't got the voltera chip(only reference have it) that allows to adjust the voltage by software.You flashed your card for nothing and now if something goes wrong your warranty is void.I consult you to flash the original bios again.
  4. trt740

    trt740

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    this is true :cry:
  5. OnBoard

    OnBoard New Member

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    Picture of the card would help as I have the exact same thing. You wouldn't need a new bios, just check those couple thing for voltage.

    The rear of the card should look like this to be reference: http://img412.imageshack.us/i/14042010005.jpg/
  6. douglatins

    douglatins

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    Of course not, the card don't have the digital VREGs
  7. OnBoard

    OnBoard New Member

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    Not really, no Volterras on 5770s. "The GPU voltage is managed by a L6788A voltage controller, which seems to support I2C software voltage control"

    Does not compute, of course not what?
  8. erocker

    erocker Super Moderator Staff Member

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    puma, did you edit the config file to "allowunofficialoverclocking"? Field needs to be set from 0 to 1. Also, in "Settings" in Afterburner you need to tick the box to allow voltage control.
  9. douglatins

    douglatins

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    Vapor-X flashed with Asus Unlocked bios still no voltage changes in MSI Afterburner: Of course not, the card don't have the digital VREGs
  10. OnBoard

    OnBoard New Member

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    [​IMG]
  11. Binge

    Binge Overclocking Surrealism

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    douglatins says thanks.
  12. puma99dk|

    puma99dk|

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    i will see later today if i can get some pix of my card, but i only have camera in my Nokia N79 cellphone so the quality won't be that good, and OnBoard would you mind sharing your Sapphire Vapor-X bios too see if it will work on my card? still i doubt it will help but yet again why not :laugh:
  13. puma99dk|

    puma99dk|

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    sorry for the dust everyone but was too lazy here in the morning to dust the card off :roll:

    here you can actually read what standing on the chip i think is the voltage chip that starts with LVC:

    [​IMG]

    here is the back of my card, with Samsung memory and the Chip down at the HDCP

    says:
    uP8297AI
    ACB011

    [​IMG]

    and yes the PN number is hidden because i haven't registered the card yet :laugh:

    Attached Files:

  14. Athlonite

    Athlonite

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    that's most likely it on the back view of the card just above the HDCP tag whats the writing on the chip it's almost in the same place as mine on my HIS HD5770Fan
  15. Athlonite

    Athlonite

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    this is the VReg on an HIS HD5770 stock card
    [​IMG]
  16. Athlonite

    Athlonite

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    and this ones for the Vreg MEM

    [​IMG]
  17. k0rn_h0li0 New Member

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    i have the same issue with my sapphire. sorry not to hijack but drivers aren't working for me. OC is sort of stable only at 1680x1050
  18. puma99dk|

    puma99dk|

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    the cards that have been tested here on TPU i can see some has chips like that and others on the front or back, they are not placed the same place, but still shouldn't do anything about the voltage control right?
  19. Athlonite

    Athlonite

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    well yes and no the voltage control is the job of the Vreg chip but only to an certain extent if the chip is not programmable it's hardwired to do a certain max voltage and thats it and the max voltage is what the bios can call for anything higher just gets ignored so if 1.2V max is what the Vreg is wired to do then telling it to do 1.25 will be ignored and a max of 1.2 will be supplied no matter what you do either via flashing the vBIOS or via software like after burner.. What you require to gain control of the core Vreg is an programmable voltage regulator and an vBios with higher voltage settings or software like after burner to adjust the max voltage being supplied to the Core
    puma99dk| says thanks.
  20. puma99dk|

    puma99dk|

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    but how come some, bios' don't have that options and others do on the same card??? :confused:
  21. Athlonite

    Athlonite

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    some may have an programmable Voltage regulator, they may have just run out of non programmable chips and made do with some that are it happens or vice versa but I'd say if they are advertising them as having adjustable vCore then you'd had good grounds for getting an replacement for one that does have it
  22. Athlonite

    Athlonite

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    I have done a quick perusal of over a dozen reviews of this card and frankly none of them ever mention upping the core voltage when OCing so if there are Vapor X cards out there with increasable core voltages they'd be the odd ones out
  23. trt740

    trt740

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    There is no software voltage control. Your wasting your time here. It is not a ref model card.
  24. unclewebb

    unclewebb RealTemp Author

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    I have the identical Vapor-X 5770 card with the same Samsung memory chips and the voltage is definitely adjustable. When stress testing as you adjust the voltage higher the GPU temperature goes up. When you go lower, the GPU temperature goes down so this is definitely working. I don't know what the absolute maximum is but it's adjustable. Maybe I'll pull the card out for a photo session. :)

    Have you done what erocker mentioned yet and what was mentioned in my post in the review thread?

    [​IMG]

    Edit: I just noticed. The SKU# for your card is 11163-05. I likely have an earlier model which is a SKU# 11163-00 and it's possible that Sapphire changed something and eliminated voltage adjustment.

    Both my Vapor-X cards have one of these on the back side:

    [​IMG]

    Unwinder, the guy that wrote MSI Afterburner, says that this chip allows voltage adjustment up to 1.350 volts max.
    http://forums.guru3d.com/showthread.php?t=305908

    Here are 6MB of super sized pics so you can compare cards. The magic chip is on the back side, to the left of the memory, not too far from the PCI-E power connector.
    http://www.sendspace.com/file/owbgkf
    Last edited: May 28, 2010
  25. OnBoard

    OnBoard New Member

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    Yep, that's a blue PCB as in Sapphires own. None of them have voltage control, be it 5770, 5830, 5850 or 5870.

    No bios will help as the backside chip that does the magic is different.

    Nope I was just saying it has nothing to do with being digital or analog. He insisted that it's impossible and I simply said no it's not with a picture :)

    Wow, that's a lot, default being 1.125V. Haven't played with voltage yet, as it overclocks nicely even without it. Might have to some day if I want the 1GHz broken :p
    Last edited: May 28, 2010

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