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The original Amiga 1000 is the only model to have 256 KB of Amiga Chip RAM, which can be expanded to 512 KB with the addition of a daughterboard under a cover in the center front of the machine. [10] RAM may also be upgraded via official and third-party upgrades, with a practical upper limit of about 9 MB of "fast RAM" due to the 68000's 24-bit ...
This was an Amiga compatible similar to the A1200, but on a motherboard which could fit into a standard 5 1/4" drive bay. It featured either a 68020 or 68030 CPU, with a redesigned AGA chipset, and ran AmigaOS 3.1. Minimig is a hardware compatible open source re-implementation of an Amiga 500 using a field-programmable gate array .
Amiga support and maintenance software performs service functions such as formatting media for a specific filesystem, diagnosing failures that occur on formatted media, data recovery after media failure, and installation of new software [citation needed] for the Amiga family of personal computers—as opposed to application software, which performs business, education, and recreation functions.
Retargetable graphics [1] [2] (abbreviated as RTG) is a device driver API mainly used by third-party graphics hardware to interface with AmigaOS via a set of libraries. [3] The software libraries may include software tools to adjust resolution, screen colors, pointers, and screenmodes.
Amiga is a family of personal computers produced by Commodore from 1985 until the company's bankruptcy in 1994, with production by others afterward. The original model is one of a number of mid-1980s computers with 16-bit or 16/32-bit processors, 256 KB or more of RAM, mouse-based GUIs, and significantly improved graphics and audio compared to previous 8-bit systems.
The Amiga 4000 implementation was fundamentally the same, but integrated a second gate-array to replace the TTL buffers. The Buster chip provided bus arbitration, translation between the MC68030 bus protocols and either Zorro II or Zorro III bus cycles (geographically mapped based on the Zorro bus address), and a vectored interrupt mechanism ...
Akiko is responsible for implementing system glue logic that in previous Amiga models were found in the discrete chips Budgie, Gayle and the two CIAs. In detail, it includes control logic for the CD32's CD-ROM controller, system timers, the two game ports, the serial ('AUX') port, and the chip memory soldered onto the motherboard. [1]
The Amiga 4000 motherboard includes a non-functional jumper that anticipated later chips and is labeled for 8 MiB of Chip RAM—regardless of its position, the system only recognizes 2 MiB due to the limitations of the Alice chip. [3] However, the software emulator UAE can emulate an Amiga system with the design limit of up to 8 MiB of Chip RAM ...