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Where did this 20GB VRAM 3080s Modded Bios come from?

Joined
Nov 3, 2014
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So we all know about the 20GB VRAM 3080s on sale on aliexpress for almost 2 years now. Some news covering them:
1. https://www.tomshardware.com/news/geforce-rtx-3080-20gb-gpus-emerge-for-around-dollar575
2. https://www.tomshardware.com/news/o...-ai-market-with-20gb-and-blower-style-cooling
There are still active listings which I will not directly link to, easy enough to find.

From the schematics and boardview (and lack of specific tutorials), the hardware side looks relatively straightforward, but I have found only 1 modded bios, unsure of where it came from, how stable it is, etc.

Does anyone know where this bios came from? Hoping to find the thread where this was shared (usually containing stability/performance testing).
 
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