Kickstart 1.3 Amiga Download Upd · Direct Link
"Kickstart" refers to the bootstrap firmware stored on a ROM (Read-Only Memory) chip inside the computer. When the user flipped the power switch, the Motorola 68000 processor would immediately look to a specific memory address ($F80000) and begin executing code from this chip.
The Kickstart ROM contained the very heart of the Amiga Operating System: kickstart 1.3 amiga download