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Thread: Der8auer swaps out RTX 3090 GPU caps with eye on stability

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    Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Meanwhile, Gigabyte and MSI have published statements on capacitor choices and stability.
    Read more.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    This was doing the rounds already in the 3080 threads. https://forums.hexus.net/hexus-news/421348-nvidia-partners-respond-geforce-rtx-3080-crash-issues-2.html#post4257961

    testing on the consumer is right. It's all we've had in hardware and software for some time now. When the big boys (MS) do it and get away with it everyone else follows suit.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Does anyone trust electrolytic capacitors at all since 2010?

    The huge dump of cheaply made caps onto the Western markets was so wide spread and I can't imagine what the big corporations had to do to keep it a secret from the main Press.

    Nice one China....

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    I have never worked in capacitors,but otherwise when i was young and brave i have been known to solder extra components to computer hardware in the pursuit of more speed.

    It take a steady hand soldering a wire to 1 leg of a IC on a motherboard :-)
    And a proper soldering iron too, luckily i had both, now i just have a proper soldering iron and i would need glasses aside for the microscope to see the IC leg.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    So the card is wild and unstable... that explains the low NVIDIA price to begin with.. a card that can not over clock?

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by quatermass View Post
    Does anyone trust electrolytic capacitors at all since 2010?

    The huge dump of cheaply made caps onto the Western markets was so wide spread and I can't imagine what the big corporations had to do to keep it a secret from the main Press.

    Nice one China....
    Actually that was Taiwanese company and it was a spy story gone wrong.
    They stole the new formula from a Japanese manufacturer and didn't take the stabiliser solution.
    Result the electrolyte broke down too early and turned into hydrogen gas, resulting in bad caps and bulging caps.

    https://en.wikipedia.org/wiki/Capacitor_plague :edit: linkified.

    Research paper covering it https://www.dfrsolutions.com/hubfs/D...an-Helmold.pdf
    Last edited by mercyground; 30-09-2020 at 05:16 PM. Reason: link fix.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by QuorTek View Post
    So the card is wild and unstable... that explains the low NVIDIA price to begin with.. a card that can not over clock?
    I mean you could just say that if all the AIBs had enough time to test with the proper drivers etc, that they would have adjusted vBios to not boost the chip beyond the point of stability. Maybe this is also a side effect of using the Samsung 8nm+ process?

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Considering the performance for the price I'd just keep it at stock thankqverymuch

    All that for 30mhz tho.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    The old overclocker in me would want to do the Cap mod and all Vmods lol but the now I am older wiser one would buy stock and leave as is chuckle.

    I would be interested to know if any capacitor stacking yields gains maybe a 22u with 47u stacked in parallel for 20 caps.

    Though big ups for using the soldering iron, I would have broken out the solder paste and hot air gun myself.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by Tunnah View Post
    Considering the performance for the price I'd just keep it at stock thankqverymuch

    All that for 30mhz tho.
    The problem is that the cards will try to overclock themselves using the Nvidia algorithm. If the software senses available temp and power headroom - They will boost, until hitting a defined maximum. Only problem being - overambitious confidence in the actual hardware. Resulting in crashing.
    Not a murmur from the leather jacket on this car crash of a launch BTW.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by HEXUS View Post
    Note that both Gigabyte and MSI refer to 'POSCAPs' as 'SP-CAPs' in their statements.
    No-one should be referring to them as "POSCAPs". In the words of BuildZoid, "... they're not POSCAPs, okay! POSCAPs are a very, very specific product line of capacitor from Panasonic, okay. Not every SMD capacitor on the planet Earth is a POSCAP. Actually, the vast majority of them isn't a POSCAP, okay!"

    Source: https://youtu.be/GPFKS8jNNh0?t=130

    He goes on to clarify that most graphics cards do not use POSCAPs (which look very specific) but rather SP-Caps. Those are another brand by Panasonic, but at least it's accurate for some of the cards. I imagine that Gigabyte and MSI probably DO use SP-Caps in their designs.

    POSCAPS - https://industrial.panasonic.com/ww/...acitors/poscap
    SP-Caps - https://industrial.panasonic.com/ww/...acitors/sp-cap
    Last edited by anselhelm; 01-10-2020 at 07:16 PM.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by ohmaheid View Post
    Not a murmur from the leather jacket on this car crash of a launch BTW.
    but "it just works"?! Right? Right...? <nervous grin>

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by Gentle Viking View Post
    It take a steady hand soldering a wire to 1 leg of a IC on a motherboard :-)
    Yes, it seems like the leathered one used his oven for this stuff. Or maybe the hob.

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    Re: Der8auer swaps out RTX 3090 GPU caps with eye on stability

    Quote Originally Posted by philehidiot View Post
    Quote Originally Posted by Gentle Viking View Post
    It take a steady hand soldering a wire to 1 leg of a IC on a motherboard :-)
    Yes, it seems like the leathered one used his oven for this stuff. Or maybe the hob.
    Not to mention his vast collection of highly specialised spatulas...

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