Schematic, boardview, BIOS https://www.vinafix.vn/threads/apple-k35-j30-820-3115-b-051-9058-apple-a1278.3987/
Guide here https://vinafix.vn/resources/how-to-remove-password-bios-apple-add-edit-serial-number.1209/ Unlock - How to remove password Bios Apple & Add, edit Serial... Manual document .pdf 1. Use tool ( TL866 or 610P ...etc ) backup BIOS has password. 2. Open BIOS use software HxD remove password. 3. Done and Programming. You need to be a hardware technical to... vinafix.com BIO edit here A1278_13.3_2010_C1MNNJXJDTY3.BIN