Atmel ATmega128A-STK600 Application Note page 12

2.6 Step 12.
Programming the code. Click on the "Memories" option from the left menu then click on "Erase now" button to
erase the device. Find the file "Led_Chaser.elf" on your worstation from the path
\led_chaser\GccBoardProject2\Debug, then click on the "Program" button.
The demo should start after few seconds.
Congratulations. You have now completely set up your hardware and software environment and programmed
your first AVR based demo. Enjoy by changing the source code and reprogramming the chip.
ATmega128A-STK600 [APPLICATION NOTE]
12
Atmel-41074B-Aero-Hardware and Software Getting Started-05/2016