Bio Rhythm Etched in copper on top of board (c) THE BIO RHYTHM CO INC 1979 BIORHYTHM CONTROL CARD SR. NO. F .u5 2716 handwritten sticker 1000 V2.0 .u11 2716 handwritten sticker 1800 2.0 MAME 0.276 C:\Mikes_old\roms>c:\games\mame\mame -romident c:\mikes_old\roms\bio_r\roms\bio_r.u5 Identifying c:\mikes_old\roms\bio_r\roms\bio_r.u5.... bio_r.u5 NO MATCH C:\Mikes_old\roms>c:\games\mame\mame -romident c:\mikes_old\roms\bio_r\roms\bio_r.u11 Identifying c:\mikes_old\roms\bio_r\roms\bio_r.u11.... bio_r.u11 NO MATCH