NB.Y1111.001 Acer Aspire V3-571 E1-531 Intel Laptop Motherboard s989 System Pull. Guaranteed for 90 days. Genuine part. Acer Acer Aspire V3-571 E1-531 Intel Laptop Motherboard s989 Parts can usually not be interchanged - please check to make sure that your original part has this part number or that the manufacturer recommends this replacement part for your system.