System 1 © 1983 Sega Enterprises, Ltd.
Main CPU: Zilog Z80 @ 4 MHz
Sound CPU: Zilog Z80 @ 4 MHz
Sound chips: SN76496 @ 4 MHz and SN76496 @ 2 MHz
Display resolution: 256 x 224
Arcade components were contained on one circuit board.
Featured the use of 2 layer backgrounds, sprites, and hardware collision detection
The Sega System 1 was a type of arcade hardware used in various Sega arcade machines from 1983 until 1987.