ROM managers need to know which region you prefer. You must establish a strict priority list in your software settings. A standard English-centric hierarchy looks like this: (NTSC, 60Hz full speed, English language) Europe (PAL, multi-language support, 50Hz) Japan (NTSC, 60Hz, exclusive titles) 3. Process the Collection Load the Redump PS1 DAT file into your ROM manager.
: A modern, easy-to-use tool specifically designed for creating 1G1R sets. It allows you to set regional priorities (e.g., prefer 60Hz NTSC over 50Hz PAL). clrmamepro 1g1r redump sony playstation
Because the official Redump.org database often lacks the built-in "parent/clone" relationships needed for easy filtering, specific software is used to build these sets: ROM managers need to know which region you prefer