***NEW*** Prema Mod Alienware 15. 15 R2 / 17 R2 and R3 Performance vBIOS

Discussion in '2015+ Alienware 13 / 15 / 17' started by Mr. Fox, Aug 17, 2015.

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  1. Rexcor300388

    Rexcor300388 Notebook Enthusiast

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    even +250 with default GPU clock i`ve artifacts
     
  2. Vasudev

    Vasudev Notebook Nobel Laureate

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    Okay, can you tell me ASIC quality of your card in hwinfo or gpuz
     
  3. Rexcor300388

    Rexcor300388 Notebook Enthusiast

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    I`ve moded a little VBIOS by Maxwell BIOS tweaker 1.36. Everything is fine,but, even I increase power limit to maximum,card hits power limit after, about 4-5 minutes of load. Any idea how to bypass that?
    During running this vbios no issues about overclock reset
    https://ufile.io/n2slv
     
  4. Vasudev

    Vasudev Notebook Nobel Laureate

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    Check if DC cable is burnt due to over voltage.
     
  5. Rexcor300388

    Rexcor300388 Notebook Enthusiast

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    Are you kidding?
     
  6. Vasudev

    Vasudev Notebook Nobel Laureate

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    NO.
     
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  7. Rexcor300388

    Rexcor300388 Notebook Enthusiast

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    Cable is OK, also i`ve tried to measure power consumption by wattmeter, it`s about 220-230W, I use 330W PSU from M18XR2
     
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  8. Vasudev

    Vasudev Notebook Nobel Laureate

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    The problem the clocks are directly depending on ASIC quality, too lower quality will prevent too much OC that the card couldn't handle. So, one thing I noticed is that in Prema vBIOS, lower the ambient temps or lower GPU temps it will to OC even higher.
     
  9. Rexcor300388

    Rexcor300388 Notebook Enthusiast

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    Too sad that Prema`s vBIOS`es are not downloadable anymore, web page is down. And what i`ve noticed that at loads about 210W it starts to drain laptops battery, looks like system BIOS or even this small powerboard is limiting thing. But with Prema`s vbios it doesn`t drain any battery.
     
  10. Vasudev

    Vasudev Notebook Nobel Laureate

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    Yeah I don't know why Prema pulled everything down? You can hit 200W on 980m? Mine can hit 140W with minor OC.
     
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