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3090 KINGPIN screen flickering when memory oc

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wharrus5
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2021/02/27 18:19:09 (permalink)
Hey guys , I have two kingpin 3090 in sli . my system is a 5950x on a msi godlike x570 godlike . 
if i activate sli only the bottom card ( the one on pcie3 ) outputs video . 
the problem im having is if i OC that particular card to +1000 mhz , the screen starts flickering.
the issue appears even if i am using sli or not ( activated or not ) . i tried ddu reinstalled drivers a few times , its still there , and it seems to be related to ocing the memory.
the memory temps when playing battlefront 2 are 75-80ish degrees .
my question is : is this normal or do i have a faulty card? im 70% sure i noticed very small flickering on default settings ... cant be 100% sure
another issue that this particular card is manifesting is that its running port royal sometimes with memory at 50 mhz getting me a score of 11k .
the only way to fix this issue ( when it happens ) is ddu and reinstall drivers... shutdown / reboot doesnt fix it ... lucky me it doesnt happen too often
I hope im allowed to post this here , here is a video with the issue : linksharing.samsungcloud.com/e3cKpTgGe3xc
 
 
#1

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    vulcZ
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/27 18:32:23 (permalink)
    Does the flickering happen at stock memory settings? Flickering is a very common sign of a memory OC being too high.

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    wharrus5
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/27 18:38:54 (permalink)
    I ve noticed some small dots on stock too but could have been the game or something else... on stock it doesnt do the same as with +1000 memory.
    Also the other card ( the first one ) I can do +1200 and no flickering.
    I'm also worried about the 50 mhz port royal thingie.
    #3
    vulcZ
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/27 20:35:45 (permalink)
    The 50mhz thing sounds like a driver issue, potentially related to OCing the card. Also, just because one card can do a specific OC doesn't mean they all all, good ol silicone lottery. Lucky for you, OCing memory doesnt translate to a much of a performance increase as GPU.
     
    Also, how do the sensor temps look? Running 2 cards in SLI, I can't imagine the memory running very cool. GPU temps probably fine because of the AIOs, but the cards themselves probably get toasty.

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    wharrus5
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/28 17:08:52 (permalink)
    temps on mem1 mem2 mem3 are max 80-ish . 82 is the max i ve seen so far
    #5
    Dabadger84
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/28 17:23:57 (permalink)
    Is airflow an issue, or are the cards sandwiched?  Memory temps being that high is pretty high, at least to me.  My card in a closed case only hit 66C on the hottest iCX Mem sensor & 72C max temp on the Memory Junction Temp during testing before I started upgrading the cooling on the backplate side of th ecard.

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    wharrus5
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/28 17:44:57 (permalink)
    sandwiched yeah ... but even the top card reaches 75 degrees on mem1 . i like heat in my home , its winter.
    i have a corsair 1000d case , front is a ryujin 360mm aio push pull that inserts air , top are the two kingpin aio's pushing air out and i have two other fans at the back inserting air in the case.
     
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    wharrus5
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/28 17:46:46 (permalink)
    i have ordered the items from amazon too hopefully this week i can try to do some backplate cooldown
     
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    Kylearan
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    Re: 3090 KINGPIN screen flickering when memory oc 2021/02/28 20:10:53 (permalink)
    wharrus5
    sandwiched yeah ... but even the top card reaches 75 degrees on mem1 . i like heat in my home , its winter.
    i have a corsair 1000d case , front is a ryujin 360mm aio push pull that inserts air , top are the two kingpin aio's pushing air out and i have two other fans at the back inserting air in the case.
     



    You need to try the card by itself, without the "+1200" card even installed in the case.
    Remove that card then test it by itself.  Then you will have your answer.
    You can't solve problems unless you isolate and divide the problem into individual blocks, the good old scientific method.
    #9
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