bug in ext fuse processing
avreal does not process fuses from Extended Fuse byte for ATmega16M1, ATmega32M1, ATmega64M1, ATmega32C1, ATmega64C1. The fuses are read as 0 and not writed.
Fixed in avreal 1.28rev3
. .. ..o .oO .oO failed
avreal does not process fuses from Extended Fuse byte for ATmega16M1, ATmega32M1, ATmega64M1, ATmega32C1, ATmega64C1. The fuses are read as 0 and not writed.