Lenovo SYSTEM BOARDS
5B21C75778
is compatible in the following Models:
Lenovo 500 Series (IdeaPad)
500e Chromebook 2nd Gen (Lenovo) - 81MC0000US
500e Chromebook 2nd Gen (Lenovo) - 81MC000AAU
500e Chromebook 2nd Gen (Lenovo) - 81MC001AAU
500e Chromebook 2nd Gen (Lenovo) - 81MC005BAU