LENOVO 75Y4065 SYSTEM BOARD THINKPAD X100E AMD ... Lenovo System Motherboard X100E AMD Athlon DX9 DAFL3BMB8E0 75Y4065 Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic.