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The Amiga 1200, or A1200 (code-named "Channel Z"), is a personal computer in the Amiga computer family released by Commodore International, aimed at the home computer market. It was launched on October 21, 1992, at a base price of £399 in the United Kingdom (equivalent to £1,040 in 2023) and $599 in the United States (equivalent to $1,300 in ...
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 First "low-end" Amiga; later A500s shipped with 1 MB memory Amiga 2000: 1987–1992 68000 1 MB
Models released before Amiga 1200 also have a static "tone knob" type low-pass filter that is enabled regardless of the optional "LED filter". This filter is a 6 dB/oct low-pass filter with cutoff frequency at 4.5 or 5 kHz. A software technique was later developed which can play back 14-bit audio by combining two channels set at different volumes.
The Amiga's native display is a planar display which is simple and efficient to manipulate for routines like scrolling or 2D composition. However, chunky displays are faster and more efficient for 3D graphics manipulation. Akiko assists this conversion in hardware, instead of shifting the bits solely by CPU code which would cause more overhead ...
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 A1200 was the only Amiga model to have this unique 22-pin connector (some revisions of the A1200 motherboard have additional non-functional pins). However, as the address and data signals used by the interface are available through the internal expansion connectors of other Amiga models, clock port adaptors were later created by third-party ...
The Enhanced Chip Set (ECS) is the second generation of the Amiga computer's chipset, offering minor improvements over the original chipset (OCS) design. ECS was introduced in 1990 with the launch of the Amiga 3000. Another version was developed around 1994 but was unreleased due to Commodore International filing for bankruptcy. [1]
This accelerator board was designed for the Amiga 3000 and Amiga 4000. The accelerator board was famous for its high performance due to its 64 bit wide memory bus and PowerPC 604e processor. [25] According to Phase 5 it could sustain memory transfers up to 68 MB/s on the 68060 and up to 160 MB/s on the 604e. PowerPC 604e at 150, 180, 200 or 233 MHz