0.251 — Full Mame Rom Set

These cover non-arcade systems (like consoles and home computers). A full set can reach 70 GB to 81 GB for ROMs and up to for associated CHDs. Key Highlights of Version 0.251

These are large disk images for games that originally used hard drives, CD-ROMs, or LaserDiscs. A full set of machine CHDs for v0.251 is roughly Software List ROMs: full mame rom set 0.251

The 0.251 release introduced several notable additions and improvements: MAME 0.251 These cover non-arcade systems (like consoles and home