3090 / 3060 stable. 3060 / 3090 unstable |
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CryptoRecluse
Newbie Joined: 18 Aug 2021 Status: Offline Points: 65 |
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Posted: 18 Aug 2021 at 1:23am |
Hi all
Motherboard is a ASrock 570 PG velocita amd ryzen 5800 1200w powersupply Founders edition 3090. Has upgraded thermal pads, I've underclocked it to be SURE its not temp, and it runs perfectly fine when its in the first slot. With 3090 in the first slot I can overclock both cards. 3060 evga xc. hdmi cable plugged into this typically. on windows I want to have the 3060 in the top slot, and the 3090 under it. But doing so is not stable, it will lock system up and crash if I launch any kind of rendering. I am assuming that my issue is that my 2nd pcie slot on the motherboard does not support the 3090, period. I know a bit, but not enough to know if thats the issue. Running render benchmark in gpuz crashes system with 3090 in bottom slot and 3060 in top slot. 3090 *solo* in 2nd slot will also crash system. Next 2 screenshots are of this setup (3060 in top slot, 3090 in bottom) https://i.imgur.com/Y5iEW9A.gif https://i.imgur.com/RkR3THa.gif With 3090 in top slot and the 3060 in 2nd slot the system is stable, for days. Issues are that PC does not display bios on boot, and it seems to be detecting the display once windows actually gets to the desktop as it goes from a blank screen like the monitor is not plugged in straight to windows login. If I have cable plugged into the 3060 on the bottom, bios and windows loading screens display normally. Its like it thinks the 3060 is the primary. Next 2 screenshots are of 3090 in the top slot, 3060 in bottom. https://i.imgur.com/xPeahsW.gif https://i.imgur.com/uw5sIoz.gif Help me Obi Wan. |
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CryptoRecluse
Newbie Joined: 18 Aug 2021 Status: Offline Points: 65 |
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I should note here that I am using an m.2 drive which I'm told uses 4 pci lanes and that it could be possible thats not leaving enough lanes for the 3090.
However, it does not explain why if I put the 3090 in the bottom slot by itself and do not install the 3060 the machine still becomes unstable. |
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Xaltar
Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793 |
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I would stick with the 3090 in the top slot. As for the BIOS displaying issue, you
can try clearing CMOS and seeing if that makes it default to the top slot (3090). If not, it isn't really a huge issue, you can always connect the display to the 3060 if you need to enter the BIOS for whatever reason. If your main use for the system is rendering then you can just connect the display to the 3060 full time, it won't effect render performance. Even gaming, if you have the 3090 selected as your primary it should pass the signal through to the 3060. Otherwise take a look through your user manual and see if there is a display priority setting in there. I don't know off hand where you would find it. |
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CryptoRecluse
Newbie Joined: 18 Aug 2021 Status: Offline Points: 65 |
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Unfortunately I can't. The 3090 needs to be "separate" as its being used for electrical simulations.
Someone mentioned that the m2 drive takes 4 lanes, and that the 2nd pcie slot is where it gets those from, so by putting the 3090 in the lower slot im maxing out those lower lanes and that may be causing my issue. I don't know enough about m2 drives to know if thats correct. They recommended I connect on the cards via a riser and see if thats stable. |
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CryptoRecluse
Newbie Joined: 18 Aug 2021 Status: Offline Points: 65 |
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Connected the 3060 to a riser today. The vers009 model.
Machine refuses to boot, so I unplug the card, still refuses to boot. I unplug the riser. Still refuses to boot. I wound up having to clear the cmos in order to get the machine to start properly. Played with the gen settings on the pcie slots, switching things to gen 1, but I'm not entirely sure of the settings and what I did did not have any effect at all. If anyone knows what these should be set to for the riser, I appreciate the help https://i.imgur.com/wGdZHBS.jpg |
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