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Kickstart 3.0 ROM chips installed in an Amiga 1200 Kickstart 1.2 floppy disk. Kickstart is the bootstrap firmware of the Amiga computers developed by Commodore International.Its purpose is to initialize the Amiga hardware and core components of AmigaOS and then attempt to boot from a bootable volume, such as a floppy disk.
Amiga Workbench 1.0 Amiga boot screen (Kickstart 1.3). Workbench 1.0 was released for the first time in October 1985. [5] The 1.x series of Workbench defaults to a distinctive blue and orange color scheme, designed to give high contrast on even the worst of television screens (the colors can be changed by the user).
1.0 – 1.1 3.1 / 3.9 [note 1] / 3.2 [note 2] Later A1000s shipped with 512 KB base memory Amiga 2000 A-model 1987 68000 1 MB: 1.2 3.9 / 3.2 First desktop Amiga with internal expansion slots used the Amiga 1000 chipset 512 KB Chip RAM, 512 KB Fast RAM on CPU slot card Amiga 500: 1987–1991 68000 512 KB 1.2 – 1.3 3.1 / 3.2
Amiga OS v3.1.4 additionally also came with newer releases of the Amiga Kickstart-ROMs (either as a digital download in Kickstart-images, or shipped with physical Kickstart-ROMs). In 2019, AmigaOS 3.1.4.1 was released as a software only update to Amiga 3.1.4 free-of-charge, mainly as a bug fix. [32]
Kickstart V1.4 is actually a beta version of Kickstart which is loaded from disk. 68040 microprocessors require at least 2.0 ROMs. The A3000 has a number of Amiga-specific connectors including two DE-9 ports for joysticks, mice, and light pens, a standard 25-pin RS-232 serial port and a 25-pin Centronics parallel port.
The Amiga console is a standard Amiga virtual device, normally assigned to CON: and driven by console.handler.It was developed from a primitive interface in AmigaOS 1.1, and became stable with versions 1.2 and 1.3, when it started to be known as AmigaShell and its original handler was replaced by newconsole.handler (NEWCON:).
The Kickstart ROM is not a custom chip but a mask-programmed ROM chip for most versions. It contains the largest part of the operating system . Kickstart 1.x ROMs have a capacity of 256 KiB , Kickstart 2.x and 3.x contain 512 KiB. 32-bit Amigas use a pair of 16-bit chips to provide full-width access.
The A4000 shipped with AmigaOS 3.0, consisting of Workbench 3.0 and Kickstart 3.0, which together provide a single-user multi-tasking operating system and support for the built-in hardware. Following release of AmigaOS 3.1 it became possible to upgrade the A4000 by installing compatible Kickstart 3.1 ROM chips.