Amiga 2000

Amiga 2000

Amiga 2000

The first “big box” Amiga, full of the new Zorro 2 expansion slots and a Video slot…  Released in 1986, there were many revisions to this model, and production finished in 1991.  This was the first Amiga to have Kickstart in a ROM chip, meaning that the Kickstart Disk was no longer necessary in order to use the machine, it came with the then new Kickstart 1.2.  This model was in production for the longest, and was the basis for many professional setups – particularly when paired with a “Video Toaster” Video expansion card, an accelerator card, and the Lightwave 3D Software.

It was also the basis for several different Amiga models, such as the Amiga 1500 (UK variant, sold with 2 Double density floppy drives and no hard disk), the Amiga 2000HD (An Amiga 2000 with a A2091 SCSI card and SCSI Hard Drive, usually a 52MB drive) and the Amiga 2500 (An Amiga 2000 with either a A2620 CPU module to make the Amiga 2500/20, or a A2630 CPU module to make the Amiga 2500/30).

Originally it was designed by a team in the German branch of Commodore, based on the Amiga 1000, but in a larger case with many internal expansion slots, allowing expansions to not only be located within the machine, but also providing IBM compatible 8-bit ISA expansion slots (not active without a bridgeboard/emulator card, such as the new A2088XT or other expansion card to enable them to be used by the Amiga) and a brand new video expansion slot, which gave access to all the video signals within the machine to any expansion card designed for it – such as the famous “Video Toaster”.

It underwent it’s first major revision under Dave Haynie, which made it based on the Amiga 500 instead of the Amiga 1000.  This was and is commonly known as the B2000, as the internal code-name for the Amiga 500 was “B52 Rock Lobster”.

Later revisions brought the ECS revision of the Agnus chip to the Amiga 2000, along with Kickstart 2.04 and Workbench 2.0.

CPU: Motorola 68000 @ 7.14MHz (NTSC)
Motorola 68000 @ 7.09MHz (PAL)
Motorola 68020 @ 14MHz (when sold as an A2500/20)
Motorola 68030 @ 25MHz (when sold as an A2500/30)
Chip RAM: 512K in Revision 4 boards
1024K in Revision 6 boards (ECS Chipset)
Maximum resolution: 736×482 (NTSC)
736×580 (PAL)
(16 colour maximum in resolutions above 368 vertical pixels) *
Kickstart versions: 1.2
1.3
2.04
3.1 (available as as as upgrade, not included with any machines as standard)
Workbench versions: 1.2
1.3
2.0
2.1
3.1 (available as as as upgrade, not included with any machines as standard)
Total RAM: Varied, as little as 512K of Chip RAM only in early machines,
as much as 9MB in several configurations, dependant on main board version.
Price in 1986:
(US Dollars)

Documentation:
Introduction to the Commodore Amiga 2000
Amiga BASIC
Commodore AmigaDOS V1.3 Enhancer Software
Commodore Amiga 2630 Accelerator Card User’s Guide (Amiga 2500/30)

Amiga 2000 technical documents by Dave Haynie

Amiga 2000 accelerators (make the machine faster) on the Big Book of Amiga Hardware

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