..
..
Yes, it is possible. Software exists that modifies motherboard configurations within the operating system. For instance, Gigabyte’s EasyTune can adjust LLC settings, ASUS MemTweakIt alters memory timings in real time, and ASUS TurboVCore changes various voltage options available in the BIOS while running in OS mode. There are also numerous tools that modify other LEDs on the motherboard. Don’t be surprised if these programs perform exactly what they claim.
He made a 3D cover for his debug readout on the X670E Hero. I was hoping to acquire one for my own X670E Taichi. It seems there’s no software control available. I want it to keep showing debug info during startup but then turn off automatically once Windows boots. There doesn’t appear to be an option for that.