Lenovo SYSTEM BOARDS
5B21C75779
is compatible in the following Models:
Lenovo 500 Series (IdeaPad)
500e Chromebook 2nd Gen (Lenovo) - 81MC005BAU
Lenovo Chromebooks Series
500e Chromebook 2nd Gen (Lenovo) - 81MC001CAU
500e Chromebook 2nd Gen (Lenovo) - 81MC001EUS