Super I/O
class of I/O controller integrated circuits that began to be used on personal computer motherboards in the late 1980s
en-US/ˈsupɚ ˈaɪ / ˈoʊ/
en-GB/ˈsuːpə ˈaɪ / əʊ/
class of I/O controller integrated circuits that began to be used on personal computer motherboards in the late 1980s