Hello, i'm trying to burn sketches using USBAsp in three differents Arduino, the first is Atmega128 and it's almost work, except the clock . example if i put delay(2000) the led blinks with 4s. The second and third have the same problem , this erros below:
avrdude: warning: cannot set sck period. please check for usbasp firmware update. avrdude: error: programm enable: target doesn't answer. 1 avrdude: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check.