Logic board with onboard 2.26 GHz Core 2 Duo (P7750 or P8400) processor. You can't upgrade the processor without replacing the entire logic board, so choose wisely!
MacBook Pro / MacBookPro5,5 / 2.26 GHz - Core 2 Duo - ( Mid-2009, Unibody, 13-Inch )
MacBook Pro / MacBookPro5,5 / 2.53 GHz - Core 2 Duo - ( Mid-2009, Unibody, 13-Inch )
Product details
820-2530-A 661-5230 Core2Duo Logic Boards 2.26 GHz - A1278 13inch Macbook Pro Mid 2009 NB-4109W This is a replacement 2.26GHZ logic board for the Macbook Pro 13" Unibody models. EEE code: 6GC