Sega X Board

From Sega Retro

The Sega X Board is an arcade system board released by Sega in 1987. It was noteworthy for its sprite manipulation capabilities, which allowed it to create high quality pseudo-3D visuals. This trend would continue with the Y Board and the System 32, before the Model 1 made true 3D arcade games more financially affordable. The X Board is emulated by MAME.

Specifications

  • Main CPU: 2 x MC68000 @ 12.5 MHz
  • Sound CPU: Z80 @ 4 MHz
  • Sound chip: YM2151 4 MHz & SegaPCM @ 15.625 MHz
  • Video resolution: 320 x 224
  • Board composition: Single board
  • Hardware Features: 256 sprites on screen at one time, 4 tiles layers, 1 text layer, 1 sprite layer with hardware sprite zooming, 1 road layer, can draw 2 roads at once, translucent shadows

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