SLi Broken After Updating X570 MEG ACE to BIOS 7C35v19

vhippensteel

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Nov 12, 2019
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As the titles states, since updating to 7C35v19, every time I try to enable SLi, the change reverts and SLi is NOT activated. This happens on the last 3 NVIDIA driver versions. I am running windows 10, ver. 2004, all updated everything. Clean installs between GPU driver installs. I tried a beta BIOS back when I first got this board, and swore I'd never install another beta after the hell I had with it. So I waited patiently for this latest BIOS. It does seem to have improved memory clocking, which is why I updated. But if it is gonna break SLi, then that is just FUBAR.

Anyone have any suggestions on a fix? Please and thank you in advance.
 

vhippensteel

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Nov 12, 2019
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I gave up on that BIOS, went back to the previous version. Problem went away. Thanks for the reply. MODS: Please delete this thread if appropriate.
 

fatedust

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Apr 9, 2020
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699
Usually updating BIOS won't break SLI. :unsure:
Did the latest BIOS change the bandwidth of your PCI-E1 / PCI-E3 slots? You can check that by GPU-Z.
 
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