System Board Y2

System Board Y2 is a low-cost arcade system board released by SI Electronics, LTD. in 2009, developed after Kaga Electronics had acquired SIE from Sega Sammy in 2008-07-01.

Countering the contemporary trends of using PC-based systems to cut cost, it uses in-house system-on-a-chip platform to deliver a stable development environment. In order to cut cost, System Board Y2 relies on a long production cycle.

The product was originally announced in 2009-02-19. The hardware was unveiled in AOU 2009 Amusement Expo on 2009-02-20.

Specifications

 * CPU: YATA-2 ASIC (266MHz, 32-bit RISC CPU)
 * Graphics: 25000 sprites/screen, 1 million polygon/sec, 800x600x30fps resolution
 * Audio: 32 channels output
 * Storage media: ROM board, max 1.7GB program + 256MB sound
 * I/O:
 * Analog video: D-Sub 15-pin
 * Audio: 2 channel RCA stereo
 * Game I/O: JAMMA connector, JVS I/O connector
 * Serial: 1 channel
 * GPIO: 16 channel

List of System Board Y2 games

 * En-Eins Perfektewelt (Annex / Subtle Style / Rutubo Game Works) (2010)
 * Higurashi no Naku Koro ni Jong (AQ Interactive) (2009)
 * The King of Fighters 2002: Unlimited Match (SNK Playmore) (2009)