Are you using it to bootload other parts? Use Nick Gammon's bootload install sketch instead.
http://www.gammon.com.au/forum/?id=11635 or
Gammon Forum : Electronics : Microprocessors : How to make an Arduino-compatible minimal board
Are you using it to bootload other parts? Use Nick Gammon's bootload install sketch instead.
http://www.gammon.com.au/forum/?id=11635 or
Gammon Forum : Electronics : Microprocessors : How to make an Arduino-compatible minimal board