Difference between revisions of "Sega NAOMI 2"

From Sega Retro
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** PCM/ADPCM: 16-bit depth, 48 kHz sampling rate (DVD quality),{{ref|http://segatech.com/technical/overview/index.html}} 128 channels
 
** PCM/ADPCM: 16-bit depth, 48 kHz sampling rate (DVD quality),{{ref|http://segatech.com/technical/overview/index.html}} 128 channels
 
** Other features: DSP, sound synthesizer
 
** Other features: DSP, sound synthesizer
−
* Main T&L geometry [http://gaming.wikia.com/wiki/Graphics_processing_unit GPU] coprocessor: [[wikipedia:Imagination Technologies|VideoLogic]] Elan @ 100 MHz
+
* Main T&L geometry GPU coprocessor: [[wikipedia:Imagination Technologies|VideoLogic]] Elan @ 100 MHz
 
** [[wikipedia:Computer graphics lighting|Lighting]]: Up to 16 light sources per polygon, [[wikipedia:Shading#Ambient lighting|ambient lighting]], [[wikipedia:Shading#Distance falloff|parallel lighting]], [[wikipedia:Shading#Point lighting|point lighting]], [[wikipedia:Shading#Spotlight lighting|spotlight lighting]]{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
 
** [[wikipedia:Computer graphics lighting|Lighting]]: Up to 16 light sources per polygon, [[wikipedia:Shading#Ambient lighting|ambient lighting]], [[wikipedia:Shading#Distance falloff|parallel lighting]], [[wikipedia:Shading#Point lighting|point lighting]], [[wikipedia:Shading#Spotlight lighting|spotlight lighting]]{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
 
** [[wikipedia:Vertex shader|Vertex support]]: Combined dynamic and static model processing{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
 
** [[wikipedia:Vertex shader|Vertex support]]: Combined dynamic and static model processing{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
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*** Rendering: 1 billion pixels/sec (with transparent polygons) to over 6.4 billion pixels/sec (with opaque polygons)
 
*** Rendering: 1 billion pixels/sec (with transparent polygons) to over 6.4 billion pixels/sec (with opaque polygons)
 
*** Textures: 200 million tevels/sec (no overdraw) to 2 billion texels/sec (9× overdraw)
 
*** Textures: 200 million tevels/sec (no overdraw) to 2 billion texels/sec (9× overdraw)
 +
 +
{{multicol|
 
* [[wikipedia:Operating system|Operating systems]]:
 
* [[wikipedia:Operating system|Operating systems]]:
 
**Native operating system
 
**Native operating system
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* Extensions: communication, 4-channel surround sound, PCI, MIDI, RS-232C
 
* Extensions: communication, 4-channel surround sound, PCI, MIDI, RS-232C
 
* Connection: JAMMA Video compliant
 
* Connection: JAMMA Video compliant
 +
}}
  
 
===NAOMI 2 GD-ROM Specifications===
 
===NAOMI 2 GD-ROM Specifications===
 
The NAOMI 2 GD-ROM specification has the following memory differences:{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
 
The NAOMI 2 GD-ROM specification has the following memory differences:{{ref|http://www.segatech.com/arcade/naomi2/index.html}}
  
 +
{{multicol|
 
* Board composition: Motherboard + Daughter Board + DIMM Board
 
* Board composition: Motherboard + Daughter Board + DIMM Board
 
* Storage media: [[GD-ROM]] drive
 
* Storage media: [[GD-ROM]] drive
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*** Bandwidth: 7.44 GB/sec (no overdraw) to 22.32 GB/sec (2× overdraw)
 
*** Bandwidth: 7.44 GB/sec (no overdraw) to 22.32 GB/sec (2× overdraw)
 
** [[ROM]]: 24 MB [[EPROM]]
 
** [[ROM]]: 24 MB [[EPROM]]
 +
}}
  
 
==List of Games==
 
==List of Games==
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===NAOMI 2 GD-ROM Games===
 
===NAOMI 2 GD-ROM Games===
 +
{{multicol|
 
*''[[Beach Spikers]]'' (2001)
 
*''[[Beach Spikers]]'' (2001)
 
*''[[Virtua Fighter 4]]'' (2001)
 
*''[[Virtua Fighter 4]]'' (2001)
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*''[[Initial D: Arcade Stage 2]]'' (2003)
 
*''[[Initial D: Arcade Stage 2]]'' (2003)
 
*''[[Initial D: Version 3]]'' (2004)
 
*''[[Initial D: Version 3]]'' (2004)
 +
}}
  
 
===NAOMI 2 Satellite Terminal Games===
 
===NAOMI 2 Satellite Terminal Games===
 +
{{multicol|
 
*''[[World Club Champion Football Serie A 2001-2002]]'' (2002)
 
*''[[World Club Champion Football Serie A 2001-2002]]'' (2002)
 
**''[[World Club Champion Football Serie A 2001-2002 Ver.2]]'' (2003)
 
**''[[World Club Champion Football Serie A 2001-2002 Ver.2]]'' (2003)
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*''[[Mobile Suit Gundam 0079 Card Builder]]'' (2005)
 
*''[[Mobile Suit Gundam 0079 Card Builder]]'' (2005)
 
*''[[Mobile Suit Gundam 0083 Card Builder]]'' (2007)
 
*''[[Mobile Suit Gundam 0083 Card Builder]]'' (2007)
 +
}}
  
 
{{Sega Arcade Boards}}
 
{{Sega Arcade Boards}}
  
 
[[Category:Sega NAOMI]]
 
[[Category:Sega NAOMI]]

Revision as of 14:15, 8 November 2015

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NAOMI2.jpg
Sega NAOMI 2
Manufacturer: Sega
Release Date RRP Code

The Sega NAOMI 2 is an arcade board developed by Sega and is a successor to Sega NAOMI hardware. It was originally released in 2000, and stands as a beefed up version of the NAOMI specification. It is also fully backwards compatible with its predecessor.

The NAOMI 2 is by and large a more powerful successor of the NAOMI, adding a secondary CPU and rasterizer GPU at higher clock rates, adding a new powerful T&L GPU, and increasing the graphics memory. This leads to games with much more polygons than a NAOMI game, rendered at much faster speeds, while the new T&L GPU adds advanced lighting and particle effects. It was also more affordable than the very expensive Sega Hikaru arcade system that preceded it.

As with the NAOMI, the NAOMI 2 was also available in GD-ROM and Satellite Terminal variants.

Technical Specifications

NAOMI 2 Specifications

  • Main CPU: 2× Hitachi SH-4 @ 400 MHz[1]
  • Sound engine: Yamaha AICA Super Intelligent Sound Processor @ 67 MHz
    • Internal CPU: 32-bit ARM7 RISC CPU @ 45 MHz
    • CPU performance: 17 MIPS[3]
    • PCM/ADPCM: 16-bit depth, 48 kHz sampling rate (DVD quality),[4] 128 channels
    • Other features: DSP, sound synthesizer
  • Main T&L geometry GPU coprocessor: VideoLogic Elan @ 100 MHz
    • Lighting: Up to 16 light sources per polygon, ambient lighting, parallel lighting, point lighting, spotlight lighting[2]
    • Vertex support: Combined dynamic and static model processing[2]
    • Features: Reduces CPU load to 1/10th, multiple light type support (ambient, parallel, point, spot), hardware Z clipping, offscreen & backface culling [1]
    • Effects: Bump mapping, fog, alpha blending, MIP mapping, trilinear filtering, anti-aliasing, environment mapping, specular effects[5]
    • Textures per pass: 10[1]
    • Floating-point performance: 7.5 GFLOPS[1]
    • Geometric performance: 10 million textured polygons/sec with 6 light sources per polygon,[2] shadows, trilinear filtering and other effects
    • Fillrates:
      • Rendering fillrate: 2 billion pixels/sec[5]
      • Texture fillrate: 1 billion texels/sec (no overdraw) to 3 billion texels/sec (2× overdraw)
  • Rasterizer GPU: 2× NEC-VideoLogic PowerVR 2 (PVR2DC/CLX2) @ 200 MHz[1]
    • Bits: 64-bit per GPU[1]
    • Texture mapping: Bump mapping, mipmapping,[6] environment mapping, texture compression,[3] multi-texturing,[7] perspective correction,[4] normal maping (Dot3 bump mapping)
    • Filtering: Point filtering,[4] bilinear filtering,[3] trilinear filtering, anisotropic filtering[4]
    • Anti-aliasing: Super-sampling anti-aliasing (SSAA),[4] full-scene anti-aliasing (FSAA)[7]
    • Alpha blending: 256 levels of transparency,[4] multi-pass blending,[7] translucency sorting[7]
    • Shading: Perspective-correct ARGB Gouraud shading,[7] shadows[4]
    • Rendering: ROP (render output unit), tiled rendering, 32-bit floating-point Z-buffering, 32-bit floating-point hidden surface removal,[7] 256 fog effects,[4] per-pixel table fog,[7] per-pixel lighting[8]
    • Polygons: Quad polygons, triangle polygons
    • GMV (general modifier volumes):[4] Light beams, shadows, lasers, glowing suns[9]
    • Geometric performance: 28 million textured polygons/sec (14 million per rasterizer GPU) with lighting, shadows and trilinear filtering
    • Fillrate:
      • Rendering: 1 billion pixels/sec (with transparent polygons) to over 6.4 billion pixels/sec (with opaque polygons)
      • Textures: 200 million tevels/sec (no overdraw) to 2 billion texels/sec (9× overdraw)
  • Operating systems:
  • Memory: Up to 448.25 MB
    • RAM: 168.25 MB[1][2]
      • Main SDRAM: 32 MB (1.6 GB/sec)
      • L2 cache: 256 KB
      • Video RAM: 128 MB (3.2 GB/sec)
        • Elan VRAM: 64 MB (1.6 GB/sec)
          • Elan geometry VRAM: 32 MB
          • Model data VRAM: 32 MB
        • PowerVR2 SDRAM: 64 MB (1.6 GB/s)
      • Sound SDRAM: 8 MB (200 MHz, 64-bit, 1.6 GB/sec)
      • Bandwidth: 6.4 GB/sec (no overdraw) to 19.2 GB/sec (2× overdraw)
    • ROM: Up to 280 MB (24 MB EPROM,[10] 256 MB Mask ROM)
      • ROM access time: Under 100 nanoseconds
      • High-speed access allows ROM to effectively be used as RAM, and textures streamed directly from ROM.[11]
  • Storage media: ROM board[2]
  • Color depth: 32-bit ARGB,[4] 16,777,216 colors (24-bit color) with 8-bit (256 levels) alpha blending,[2] YUV and RGB color spaces, color key overlay[7]
  • Display resolution: 31 kHz horizontal sync, 60 Hz refresh rate, VGA,[12] progressive scan
    • Single monitor: 496×384 to 800×608 pixels[13]
    • Dual monitor: 992×768 to 1600×608 pixels
  • Geometric performance: 100 million polygons/sec (raw)[1]
  • Extensions: communication, 4-channel surround sound, PCI, MIDI, RS-232C
  • Connection: JAMMA Video compliant

NAOMI 2 GD-ROM Specifications

The NAOMI 2 GD-ROM specification has the following memory differences:[2]

  • Board composition: Motherboard + Daughter Board + DIMM Board
  • Storage media: GD-ROM drive
  • Memory: 192.25 MB to 448.25 MB
    • RAM: 168.25 MB to 424.25 MB
      • Main SDRAM: 32 MB
      • L2 cache: 256 KB
      • Video RAM: 128 MB
      • Sound SDRAM: 8 MB
      • DIMM RAM: 256-512 MB SDRAM (133 MHz,[14] 64-bit,[15] 1.04 GB/sec)
      • Bandwidth: 7.44 GB/sec (no overdraw) to 22.32 GB/sec (2× overdraw)
    • ROM: 24 MB EPROM

List of Games

NAOMI 2 Games

NAOMI 2 GD-ROM Games

NAOMI 2 Satellite Terminal Games


Sega arcade boards
Originating in arcades








  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 http://www.ign.com/boards/threads/noami-2-future.6157195/
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 http://www.segatech.com/arcade/naomi2/index.html
  3. ↑ 3.0 3.1 3.2 http://computer.org/micro/articles/dreamcast_2.htm (Wayback Machine: 2000-08-23 20:47)
  4. ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 http://segatech.com/technical/overview/index.html
  5. ↑ 5.0 5.1 http://ign.com/articles/2000/09/21/jamma-2000-naomi-2-revealed
  6. ↑ http://www.segatech.com/arcade/naomi1/index.html
  7. ↑ 7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 http://www3.sharkyextreme.com/hardware/reviews/video/neon250/2.shtml (Wayback Machine: 2007-08-11 10:20)
  8. ↑ http://ign.com/articles/2000/01/22/zombie-revenge-3
  9. ↑ http://www.gamepilgrimage.com/DCPScompare.htm
  10. ↑ http://mamedb.com/game/clubkrte
  11. ↑ http://farm6.staticflickr.com/5471/12172411045_18bfc5912f_c.jpg
  12. ↑ http://wiki.arcadeotaku.com/w/Sega_Naomi_Universal
  13. ↑ http://cadcdev.sourceforge.net/docs/kos-current/video_8h_source.html
  14. ↑ http://wiki.arcadeotaku.com/w/Sega_Naomi_DIMM_board_and_GD-ROM
  15. ↑ http://www.datasheets360.com/part/detail/m366s3323ct0-c7a/8765767561000035162/


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