Namco System 11

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Namco System 11
System 11 PCB.gif
Sony Computer Entertainment
TypeArcade system board
Release dateDecember 1994 (1994-12)
DiscontinuedFebruary 1999 (1999-02)
Operating system512 KB
CPUMIPS R3000A 32-bit
PredecessorNamco System 22
SuccessorNamco System 12

The Namco System 11[a] is a 32-bit arcade system board developed jointly by Namco and Sony Computer Entertainment. Released in December 1994, it is a successor to the Namco System 22, the company's first 3D arcade system. The System 11 is directly based on the PlayStation, Sony's first home video game console, using a 512 KB operating system and several custom processors. Tekken was the first game to use the System 11. The Namco System 12[b] is an upgraded version of the System 11 that was released in 1996, featuring faster processing power.


Although the System 11 was technically inferior to Sega's Model 2 arcade board, its lower price made it an attractive prospect for smaller arcades.[1][2] According to the June 1995 issue of Edge:

Namco took a significant risk in basing its Tekken coin-op on raw PlayStation hardware, considering that it would be competing directly with Sega's Model 2-powered Virtua Fighter 2 ... For once, a home system can boast an identical conversion of a cutting-edge coin-op ... Namco's research section managing director, Shegeichi Nakamura ... explains: "When Sony came along we decided to go for a low-cost system—in short, we've left the big arcade stores to Sega and VF2 and Tekken has been sold to smaller arcade centres" ... Namco has a further four titles planned for System 11, all of which are likely to make the jump to the PlayStation.[1]

Technical specifications[edit]

  • Main CPU: MIPS R3000A 32-bit RISC processor @ 33.8688 MHz, Operating performance - 30 MIPS, Instruction Cache - 4KB
  • BUS: 132 MB/s.
  • OS ROM: 512 KB
  • Sound CPU: Namco C76 (Mitsubishi M37702)
  • Sound chip: Namco C352
  • Main RAM: 2 MB
  • Video VRAM: 2 MB
  • Sound RAM: 512 kB
  • Graphical Processor: 360,000 polygons/s, sprite/BG drawing, Adjustable framebuffer, No line restriction, 4,000 8x8 pixel sprites with individual scaling and rotation, Simultaneous backgrounds (parallax scrolling)
  • Sprite Effects: Rotation, Scaling up/down, Warping, Transparency, Fading, Priority, Vertical and Horizontal Line Scroll
  • Resolution: 256x224 - 640x480
  • Colors: 16.7 million colors, Unlimited CLUTs (Color Look-Up Tables)
  • Other Features: custom geometry engine, custom polygon engine, MJPEG decoder


List of Namco System 11 games
Year Title Genre Ref.
1994 Tekken Fighting [3]
1995 Tekken 2 Fighting [4]
Tekken 2 Ver.β Fighting
Soul Edge Fighting [5]
1996 Dunk Mania Sports [6]
Pocket Racer Racing
Xevious 3D/G Vertical-scrolling shooter [6]
Dancing Eyes Puzzle [7]
Soul Edge Ver. II Fighting
J-League Soccer: Prime Goal EX Sports
1997 Star Sweep Sports
1998 Point Blank 2 Lightgun shooter
Family Bowl Sports
Kosodate Quiz My Angel 3: My Little Pet Quiz


  1. ^ Japanese: システムイレブン, Hepburn: Shisutemu Irebun
  2. ^ Japanese: システムトゥエルブ, Hepburn: Shisutemu To~uerubu


  1. ^ a b "Tekken". Edge. Imagine Media. 3 (21): 66–70. June 1995.
  2. ^ Tokyo Drifter (April 2002). "Virtua Fight Club". GamePro. 14 (163): 48–50.
  3. ^ "Tekken". GamePro (68). IDG. March 1995. p. 38.
  4. ^ "Tekken 2". Maximum: The Video Game Magazine. Emap International Limited (1): 21. October 1995.
  5. ^ "Soul Edge". Next Generation. Imagine Media (12): 123. December 1995.
  6. ^ a b "The 1996 AOU Coin-Op Show: 3D Arcade Gaming Enters the Next Level!". Maximum: The Video Game Magazine. Emap International Limited (5): 116–7. April 1996.
  7. ^ Ylärakkola, Arttu (2 February 2007). "'Arcade Obscurities' - Namco's Dancing Eyes". GameSetWatch. Game Network. Archived from the original on 11 January 2019. Retrieved 26 March 2020.