hello
I have 2 mbp for repair both dead m/b 820-3115-b the micom yfc980 lm4fs1ah5bb was faulty i out new ones the laptop powers on with no display but the mac chime sound comes also no green light on magsafe and no led light on front indicator.i notice one thing i put the old micom yfc980 the magsafe light comes green but no chime no power on.now is there a way to program the stellaris ti lm4fs1ah5bbcigr by jtag or something as these are blank micoms and need to program.anyone face problem with these please let me know.thanks so much