Capcom 2, Dead or Alive 2 and Guilty Gear XX were all developed by third-party licensees of the NAOMI platform. Unlike Sega's previous arcade platforms (and most other arcade platforms in the industry), NAOMI is widely licensed for use by other game publishers including Sega, Namco Bandai, Capcom, Sammy and Tecmo Koei. Once loading is complete, the game executes only from RAM, thereby reducing mechanical wear on the GD-ROM drive. In operation, the Naomi GD-ROM is read only once at system power up, loading the disc's contents to the DIMM Board RAM. The Dreamcast reads game data from GD-ROM optical disc, while the NAOMI arcade board features 168 MB of solid-state ROMs or GD-ROMs using a custom DIMM board and GD-ROM drive. The other key difference between NAOMI and Dreamcast lies in the game media. Multiple NAOMI boards can be 'stacked' together to improve graphics performance, or to support multiple-monitor output. NAOMI has twice as much system memory, twice as much video memory, and 4X as much sound memory. A development of the Dreamcast home game console, the NAOMI and Dreamcast share the same hardware components: Hitachi SH-4 CPU, PowerVR Series 2 GPU (PVR2DC), and Yamaha AICA based sound system. First demonstrated in November 1998 at JAMMA, since just before the release of The House of the Dead 2 in Japan. TRIVIA The Sega NAOMI (New Arcade Operation Machine Idea) is the successor to the Sega Model 3 hardware. A special game cabinet for the NAOMI, NAOMI Universal Cabinet, houses up to sixteen boards for this purpose. Additional Features: Bump mapping, fog, alpha blending, mipmapping, trilinear filtering, anti-aliasing, environment mapping, and specular effects. Media: ROM Board (maximum size of 172 MB) / GD-ROM. Sound Engine: ARM7 Yamaha AICA 45 MHz (with internal 32-bit RISC CPU, 64 channel ADPCM). TECHNICAL CPU: Hitachi SH-4 CPU with graphic functions and 128-bit SIMD 200 MHz (360 MIPS and 1.4 GFLOPS). Arcade System published 24 years ago: NAOMI © 1998 Sega Enterprises, Limited.
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