Lenovo Ideapad U310 Intel Core i5-3317U 1.7Ghz Processor 90000280 Laptop Motherboard. Lenovo motherboard meets the current and future demands of high performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications as well as for standard home use.Lenovo Part Number: 90000280Compatible Part Numbers: DA0LZ7MB8E0 11S90000280CPU: Intel Core i5-3317U 1.7GHz ProcessorCompatible Models: Ideapad U310