Amiga OCS

Made in USA by Commodore in 1985
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The Amiga computer, launched by Commodore in 1985, combined superior multimedia technology with ease of use, inspiring millions of the most creative and enthusiastic computer users ever.

Was designed by Jay Miner for his company Hi-Toro, and as prototype was named Lorraine (named after the wife of Dave Morse).
Before the official launch the company was renamed into Amiga Incorporated.

OCS means Original Chip Set (sometimes Old Chip Set).
Later came the ECS (Enhanced Chip Set)

tech info

resolution: 320 x 256 x 32 colors, 640 x 512 x 16 colors 12 bit palette
memory: 0.5Mb CHIP
CPU: 68000 minimum
GFX: MOS 8362R6 'Denise', graphic coprocessor 'Agnus'
sound: MOS 8364R4 'Paula' 4 channels 8bit stereo

Related systems

Commodore PET1977
Commodore 641982
Commodore 16/Plus 41984
Amiga OCS1985
Commodore 1281985
Amiga AGA1992