Lenovo SYSTEM BOARDS 5B20P99158 is compatible in the following Models:

Lenovo 300 Series (IdeaPad)

IdeaPad 320-15IKB (81BG, 81BT) Laptop - 81BG009XAK
IdeaPad 320-15IKB (81BG, 81BT) Laptop - 81BG00GBAD