Commodore Amiga 1000

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Amiga 1000 is the first in the line of Amiga computers, also known as the A1000. It has a few features that cannot be found on later Amiga models. Firstly it is the only model to have the tick logo on the case. It has a keyboard garage on the underside when not in use.

The inside of the case has the signatures of the 53 designers, along the lines of the Apple Macintosh, one of the designers was Jay Miner, who also had the paw print of his dog Michy.

At this early stage, the Amiga OS was carying a few bugs, so was not included in ROM, instead there is a separate board with 256K of RAM, called the WCS or Writable Control Store. Into this is the Kickstart or bootable program is loaded, and once there does not need to be reloaded, it is called the WOM, or Write Once Memory, and is then write protected.

 

  Specification
Processor Motorola 68000at 7.16 MHz (NTSC) or 7.09 MHz (PAL)
RAM 256 KB of Amiga Chip RAM ; upgradeable to 512 KB by dedicated cartridge; max. 8 MB Fast RAM with external cartridge
ROM 8 KB ROM. 256 KB WCS reserved for OS (loaded from the Kickstart Floppy Disc at power-on)
Chipset Original Chip Set (OCS)
Video 12-bit color palette (4096 colors). Graphic modes with up to 32, 64 (EHB mode; Early NTSC models do not have the EHB mode) or 4096 (HAM mode) on-screen colors:
  • 320×200 to 320×400i (NTSC)
  • 320×256 to 320×512i (PAL)

Graphic modes with up to 16 on-screen colors:

  • 640×200 to 640×400i (NTSC)
  • 640×256 to 640×512i (PAL)
Audio 4× 8-bit PCM channels (2 Stereo channels); 28 kHz maximum DMA Sampling Rate 70 dB S/N Ratio
Removable storage 3.5-inch DD Floppy Disk drive (880 KB capacity)
Audio/video out Analog RGB video out; TV MOD audio/video output (for Amiga RF modulator TV connection); Composite video out (RCA); Audio out (2× RCA)
Input/output ports Keyboard port; 2× mouse/gamepad ports; Centronics style Parallel Port(DB-25M); floppy disk drive port (DB-23F)
Expansion slots 86-pin expansion port
Operating System AmigaOS1 (Kickstart 1.0/1.1/1.2/1.3 and Workbench1.0/1.1/1.2/1.3)

 

Manufacturer: Commodore
Date: 23rd July 1985



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This exhibit has a reference ID of CH63899. Please quote this reference ID in any communication with the Centre for Computing History.

 

Commodore Amiga 1000


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