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Re:Nvidia announces mining GPUs, cuts the hash rate of RTX-3... by remexre on Thursday February 18, 2021 @11:16PM (#26189643)
Yep, that's through the BGRT, which is part of ACPI. I'm not actually sure if a GPU could export one to the BIOS, but I assume not.
Re:Nvidia announces mining GPUs, cuts the hash rate of RTX-3... by im3w1l on Friday February 19, 2021 @02:18AM (#26190557)
The connection to the monitor is physically located on the video card. So the gpu could display whatever it wants without asking or coordinating with the motherboard.