(if you already have suikoden II save files, you'll have to either delete them or move them to a different location on your computer before you can rename the suikoden 1 files to the suikoden II name) You'd rename the save file 'Suikoden (USA) (v1.1)'.
Start Menu > All Programs > Vizzed Retro Game Room > Open Plugin Data Folder > User-***** > Mednafen_new > sav Windows XP - C:Documents and SettingsAll UsersApplication DataVizzedVizzedRgrPluginUser-*****Mednafen_newsav
Windows 8, 7, Vista - C:ProgramDataVizzedVizzedRgrPluginUser-*****Mednafen_newsav
You'll need to rename your save files located in your RGR Plugin Data folder. When playing a physical copy of Suikoden on an actual PlayStation console, upon completing the game and your data is saved to a physical memory card, the data can be loaded into a Suikoden II game.