maniacbug/mighty-1284p — pull request #7 by videocent (2013-06-09 15:51:52+00:00)
Title: Breadbord 16MHz crystal settings for optiboot.

Crystal fuse settings that work with noisy breadboard with DIP 1284p version and 16MHz crystal. With ordinary low power crystal settings the circuit is unstable with random crashes on serial activity.