Lenovo IdeaCentre A340 24IGM A340 22IGM Motherboard Mainboard UMA 5B20U53931
01LM722, 5B20U53931. Motherboard Mainboard Logicboard Board. J5005 UMA HDMI OUT WIN DPK. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available.