![]() My concern is that I would want to avoid any used or refurbished logic boards with the original part number. Testing conducted by Apple in May 2022 using preproduction 13inch MacBook Pro systems with Apple M2, 8core CPU, 10core GPU, and 24GB of RAM, and production 13inch MacBook Pro systems with Apple M1, 8core CPU, 8core GPU, and 16GB of RAM, all configured with 2TB SSD, as well as production 1.7GHz quad-core Intel Core i7-based 13. ![]() Regardless of your answer above, please advise how you know. Fix processing issues 2 Lifetime Warranty 249. Included Ports: FireWire 800, Mini DisplayPort, 1000BaseT Ethernet, 2 USB 2.0, Audio In/Audio Out, SD card slot. I am wondering whether the two part numbers signify that one was the original logic board part number and the other was for the replacement logic board? MacBook Pro 13' Unibody (Mid 2010) 2.66 GHz Logic Board Replace a 2.66 GHz logic board (motherboard) compatible with the MacBook Pro 13' Unibody (Model A1278) laptop.Now, since Apple had to implement a recall program for this particular model due to issues with the GPU (NVIDIA GeForce GT 330M) and/or the on-board Intel HD Graphics, it's clear this occurred after my copy of the Apple Technician Guide was produced. Apple Macbook Pro 13' A1278 Early Late 2010, intel Core 2 Duo P8600,P8800 2.4/2.66GHz Logic Board, EMC 2351 MC374(2.4 GHz)/MC375(2.66 GHz) Apple Macbook Pro 13' A1278 Early Late 2011 Early, intel Core I5 or I7 2415M,2620M 2.3/2.7GHz Logic Board, EMC 2419 MC700(2.3 GHz)/MC724(2. ![]() My copy of the Apple Technician Guide for this computer is dated 5 August 2010. Tested Motherboard for Macbook Pro 13' Laptop Logic Board i5 2.5GHz i7 2.9GHz A1278 Motherboard 820-3115-B 2012 MD101 MD102. Price: £128.95 History: 2 sold No additional import charges on delivery. However, upon checking various stockists I see both 661-5480 and 661-6362 used interchangeably for this particular logic board. Details about Apple MacBook Pro 15' A1286 2010 i7 2.66GHz 820-2850 Logic Board. ![]() When I check the exploded view of my Apple Technician Guide for this MacBook Pro, it lists part number 661-5480 for the 2.66GHz model. ![]() I've been asked to replace the logic board of a mid-2010 MacBook Pro 15" Unibody 2.66GHz Core i7 laptop. ![]()
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