I'm looking for a logic board for a black MacBook. It's a 2006 first issue 2GHz 13" MacBook1,1 (model A1181) EMC2092. Core Duo. Graphics Card GMA950 with 667MHz system bus. I've seen an ad for an A1181 logic board, but from the spec it's a mid 2007 Core2Duo 2GHz, and similar 667MHz system bus (sounds like a MBook2,1). Would anyone here know if these logic boards are interchangeable. I note that according to MacTracker my 2006 model is 32bit architecture, and the mid 2007 MacBook2,1 is 64bit. PS: I've just realised that my 2006 is the same model as AphoticD's fascinating 'Mac Crosses Generations' thread.