Namco NA-1

The Namco 16-bit NA-1 system board was first used by Namco in 1992 and was the successor to the Namco System 2 system board. NA-2 is backwards compatible with NA-1. It isn't yet known what extra features NA-2 has apart different MCU code.

Namco NA-1 specifications

 * Main CPU: 68000 @ 12.5 MHz
 * Sound CPU: C69 (M37702) (NA-1) or C70 (M37702) (NA-2)
 * Sound chip: C140 (integrated into the "219" custom)
 * Video resolution: 304x224
 * Board composition: Main board and Rom board

List of Namco NA-1 arcade games

 * Bakuretsu Quiz Ma-Q Dai Bōken (1992)
 * F/A (aka Fighter and Attacker) (1992)
 * Cosmo Gang the Puzzle (1992)
 * Exvania (1992)
 * Super World Court (1992)
 * Emeraldia (1993)
 * Tinkle Pit (1993)

List of Namco NA-2 arcade games

 * Knuckle Heads (1992)
 * Nettou! Gekitou! Quiztou!! (1993)
 * Numan Athletics (1993)
 * X-Day 2 (1995)