On 09.04.2018 11:37, 王翔 wrote: > I want to porting coreboot to MSI's motherboard. > However, the super io of this motherboard is the NCT6793D. > Which chip is like NCT6793D? Or give me datasheet of the NCT6793D. You can inquire about the datasheet at Nuvoton <ComputerIC at nuvoton.com> They are usually very responsive. Nico