https://forum.arduino.cc/t/1284p-20-mhz-bootloader/221429
1284P 20 MHz Bootloader - 3rd Party Boards - Arduino Forum
Mar 21, 2014 - I am looking for a 1284P bootloader. The bootloader used by Goldilocks seems to use a lot of flash compared to other. Is there an 20 MHz version of OptiBoot...
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