Build my computer specs msi z77 mpower,cpu 3770k,32 gb corsair,gtx690,SSD,HD,corsair hx860w.Anyway everything went awesome compter running great 5 second boot time if that.Well while computer is booting before going into windows I get debug code A2 for like 3 second then goes into windows shows core temps like its suppose to do,guess what im asking is A2 normal because its not in the manual?