Hi
I wanna share my experience with F6 bios
After the F2 to F6 bios update I noticed a VERY slow Windows 8.1 boot, some monitor flashing before entering windows and a very slow loading of startup utils, and some freeze on mouse
after some tries the only way I solved the situation was a downgrade to my saved bios F2
dunno if is a known problem, hope in some fix
Cya