MacBook A1342 Logic Board $20.00 Mid 2010 Polycarbonate Unibody MacBook A1342 Logic Board quantity Add to cart Add to Quote Continue Shopping Category: MacBook Parts (MacBooks) Tags: macbook, polycarbonate Description Apple 661-5640, 820-2877. 2.4 GHz Core 2 Duo logic board for the Mid 2010 Polycarbonate Unibody Macbook. This one comes with heat sink as pictured. Logic board is sold as-is. While it does boot and run, ASD shows a couple of voltage sensors are bad.