Namco System 11 and System 12
| Manufacturer | Namco Sony Computer Entertainment | 
|---|---|
| Type | Arcade system board | 
| Release date | September 1994 | 
| Discontinued | February 1999 | 
| Operating system | 512 KB | 
| CPU | MIPS R3000A 32-bit | 
| Predecessor | Namco System 22 | 
| Successor | Namco System 12 (System 11 Upgrade) | 
| Manufacturer | Namco | 
|---|---|
| Type | Arcade system board | 
| Release date | End 1996 | 
| Operating system | 512 KB | 
| CPU | MIPS R3000A 32-bit | 
| Predecessor | Namco System 11 | 
| Successor | Namco System 246 | 
The Namco System 11 is a 32-bit arcade system board developed jointly by Namco and Sony Computer Entertainment. Released in 1994, the System 11 is based on a prototype of the PlayStation, Sony's first home video game console, using a 512 KB operating system and several custom processors. The Namco System 12 is an upgraded version of the System 11 that was released in 1996, featuring faster processing power.