chip mdEuroG MD chip. Home > EuroG MD chip Genotyping Microarray. Since 2013, a customized genotyping microarray desned by a European research cooperation has beenChip synth MD. MD features a bit accurate OPN2 (YM2612) emulator. We combined it with a SN76489-compatible square wave core (SPSG) and a special emulation of the very crunchy