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  1. #1
    ROG Guru: Orange Belt Array Janne-71 PC Specs
    Janne-71 PC Specs
    MotherboardAsus rog maximus hero viii
    ProcessorIntel skylake i5 6600k @ 4.6ghz
    Memory (part number)g.skill tridentz 2x8gb 3200mhz
    Graphics Card #1Gigabyte 980ti gaming g1
    MonitorAsus pg279q 144hz
    Storage #1Samsung evo 850 ssd 500gb
    Storage #2Western digital 1tb hdd
    CPU CoolerCooler master hyper 212 evo
    CasePhanteks enthoo evolv atx
    Power SupplySeasonic 760-p
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    Unlocked voltage with 980ti

    Hi, this is not really a problem just a question/general discussion. I have gigabyte 980ti g1 gaming and using it with msi afterburner. I am using +150mhz overclock on core and +400mhz memory.

    I used to have voltage unlocked and set to +87mv, but some games kept crashing, one even in every gaming session. So i tried locking the voltage again the crashing disappeared. Core clock seems to run +20 MHz slower without the extra voltage but not really a big deal, it still boosts to 1520-1530. When i had that added voltage core clock was boosting to 1555mhz.

    So i am asking why does the added voltage make it unstable, i think i saw in some overclocking guide to unlock it...but it seems unstable. And is there anything i can do for it? Or perhaps 1555mhz is just too high clock for 980ti.

  2. #2
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4025MHz 17-17-17-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba OCZ VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
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    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    Hi Janne-71

    1555MHz might be too high but 1520-1530 MHz is still good. The most I could get with the maximum voltage on my ROG Matrix platinum 980 Ti is 1505 - 1512MHz.

    It had a memory voltage slider in gpu tweak II, I'm not sure if yours does or not. It would only show with the Gigabyte software if it does.

    As for it being unstable with more voltage it's hard to say but I wouldn't complain about 1520 - 1530 MHz, you're likely at the max.

  3. #3
    ROG Guru: Orange Belt Array Janne-71 PC Specs
    Janne-71 PC Specs
    MotherboardAsus rog maximus hero viii
    ProcessorIntel skylake i5 6600k @ 4.6ghz
    Memory (part number)g.skill tridentz 2x8gb 3200mhz
    Graphics Card #1Gigabyte 980ti gaming g1
    MonitorAsus pg279q 144hz
    Storage #1Samsung evo 850 ssd 500gb
    Storage #2Western digital 1tb hdd
    CPU CoolerCooler master hyper 212 evo
    CasePhanteks enthoo evolv atx
    Power SupplySeasonic 760-p
    Keyboard Corsair k95 mechanical
    Mouse Logitech g502
    Headset Akg k550
    Mouse Pad Razer goliathus
    Headset/Speakers Logitech z623 200w
    OS Windows 10 home

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    Yes i think it won't make much difference is it locked or unlocked, i ran unigine valley with both and there was only like 2fps difference. I choose the stability over 2fps any day :P. Anyway it was primarily 1 game that gave me trouble (dishonered 2, could be it's not very optimized for pc) others crashed almost never. But i think i will keep these settings anyway.

  4. #4
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
    MotherboardROG Maximus IX Code
    Processori7-7700k 5.2GHz Delidded
    Memory (part number)16GB G.Skill Trident Z 4025MHz 17-17-17-39-2T
    Graphics Card #1Titan Xp - EKFC waterblock
    Graphics Card #2Titan Xp
    Sound CardROG SupremeFX 2015
    MonitorHP ZR30w
    Storage #1Toshiba OCZ VX500 256GB
    CPU CoolerSwiftech Apogee GTZ
    CaseThermaltake Armor+ VH6000
    Power SupplyEVGA Supernova 1600w Titanium
    Keyboard Cyberpower Skorpion K2
    Mouse Razer Basilisk
    Headset Sennheiser HD6XX / Modmic 5
    OS Windows 10 Home 64 bit
    Accessory #1 Asus optical drive
    Accessory #2 Koolance ERM-2K3U
    Nate152's Avatar
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    yeah some games don't like the gpu overclocked, I know far cry 3 and 4 I have to back down the clocks some or they crash.

  5. #5
    ROG Guru: Yellow Belt Array Kenrou's Avatar
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    Have you tried editing the BIOS ? you might get a few more mhz stable if you bump how much she can draw from the cables/PCI-E.
    CPU: i7-6700k @4.7ghz
    Cooler: Noctua NH-D15
    GPU: Strix 980ti OC

    RAM: 2x 8GB Ripjaws V 3200mhz C14
    Motherboard: Maximus VIII Hero

    SSD: 2x Samsung 850 EVO 250gb
    HDD: 1x WD Black 4TB
    PSU: EVGA SuperNOVA G2 750W Gold
    CASE: Fractal Define R5 Black

    OS: Windows 8.1 Pro 64bit

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