Lenovo IdeaCentre A340-24IGM A340-22IGM Motherboard Mainboard UMA 5B20U53933
01LM726, 5B20U53933. Motherboard Mainboard Logicboard Board. BDPLANAR Celeron J4005 UMA MTY WIN DPK. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available.