Apple MacBook Pro 17" A1297 Series Intel Core i5-540M 2.53GHz SLBTU Processor Logic Laptop Motherboard 820-2849-A.Apple Part Number: 820-2849-ACompatible Part Numbers: 661-5472 21PWGMB00H0CPU: Intel Core i5-540M 2.53GHz SLBTU ProcessorCompatible Models: Apple MacBook Pro 17" A1297 MC024LL/A Series