Birdyi by Mama Top Pcb marked Mama.Top MDK-13V-0 FCC Made in japan 1x 18.432mhz OSC 1x Z80 LH0080 by Sharp running at 3.069mhz (18.432mhz/6) 6x dynamic rams HN472114P-3 near the CPU 1x dipswitch 6x HN462732 eproms 4x 82s129N proms 1x DIL 18 pin chip with markings scratched out in position 7M 1x HA1386 amplifier No sound chip, probably made of discrete logic? Note: the marking MDK-xxV-x is sometimes found on Nanao manufactured pcbs for Irem, so it very likely that the board was manufactured by Nanao (example: Major Title and Gussun Oyoyo are marked MDK-311V-0, M92 and M107 pcbs are marked MDK-321-V0) Board supplied by Alberto Grego Dumped by Corrado Tomaselli