Yamaha YIS-503F 1984 European MSX2 with 32kB RAM, like CX5M, but without the SFG module built in. MSX eu 16000 gb false true false false TMS9929A YM2149 21000 false yis-503f_basic-bios1.rom 8963fc041975f31dc2ab1019cfdd4967999de53e