Apple MacBook Pro 15" Unibody A1286 i5 2.53GHz Logic Board 820-2850-A 2010
Compatible Model: A1286 Apple MacBook Pro "Core i5" 2.4GHz, "Core i5" 2.53GHz, "Core i7" 2.66GHz 15" Mid-2010. CPU: 2.53 GHz Core i5 (I5-540M). The board was removed from a working macbook pro and tested!