Namco NB-1

The Namco 32-bit NB-1 arcade system board was first used by Namco in 1993. NB-2 has different memory map, more complex sprite and tile banking and 2 additional ROZ layers than NB-1.

Namco NB-1/NB-2 specifications

• Main CPU: Motorola 68EC020 32-bit processor @ 25 MHz
• Secondary CPUs: C329 + C137
• Custom graphics chips: GFX: 123, 145, 156, C116 - Motion Objects: C355, 187, C347
• Sound CPU: C351
• PCM Sound chip: C352
• Control chip: C160
• Board composition: 2 boards (NB-1) or single board (NB-2)

Namco NB-1 PCB

NB-1 MAIN PCB	NB-1 MAIN(B) PCB	NB-1 MEMEXT OBJ2 PCB	NB-1 MEMEXT OBJ8 PCB

List of Namco NB-1 arcade games

• Great Sluggers '93 (1993)
• Great Sluggers Featuring 1994 Team Rosters (1994)
• J-League Soccer V Shoot (1994)
• Nebulas Ray (1994)
• Point Blank (1994)
• Super World Stadium '95 (1995)
• Super World Stadium '96 (1996)
• Super World Stadium '97 (1997)

List of Namco NB-2 arcade games

• Mach Breakers (1995)
• The Outfoxies (1994)