... video mode: VGA (31KHZ), NTSC (15KHZ), PAL (15KHZ), SEGA (24KHZ).10. Support two-channel stereo audio.11. Faster I/O response ... and so on.Our game PCB include:2100In1,2019 in 1,1940 In 1,1078 In 1,1072 In 1,450 In 1,200 In 1,SNK 150 In 1,138 In 1,120 In 1,111 In 1,100 In 1,48 In 1 ...