Samsung NP540U3C Series Intel Core i5-3317U 1.7GHz SR0N8 Processor Laptop Motherboard BA92-11565A BA92-11565B. Samsung Part Number: BA92-11565A BA92-11565BModel Number: LOTUS13-TSPCPU: Intel Core i5-3317U 1.7GHz SR0N8 Processor Compatible Models: Samsung NP540U3C