Lenovo SYSTEM BOARDS 01LM148 is compatible in the following Models:

Lenovo IdeaCentre 500 Series

AIO 520-27IKL All-in-One (ideacentre) - F0D0000QIX
AIO 520-27IKL All-in-One (ideacentre) - F0D0001YAU
AIO 520-27IKL All-in-One (ideacentre) - F0D0003QAU