Lenovo IdeaCentre 3 22ADA05 Motherboard Mainboard UMA AMDR53500U 5B20U54073
5B20U54073, 5B20U54323. Motherboard Mainboard Logicboard Board. BDPLANAR AMD DALI R5-3500U UMA NO DPK. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available.