A full, non-merged set of MAME 0.217 ROMs (including all parents, clones, and BIOS) exceeds for arcade ROMs alone. Adding software list ROMs (consoles/computers) pushes it well past 400 GB . If you see a download claiming “all MAME 0.217 ROMs” at 5 GB, it is either severely stripped or fraudulent.

A concise overview (150‑200 words) summarizing the purpose of the paper: to examine the ROM collections compatible with MAME 0.217, assess their role in digital preservation, analyze technical compatibility issues, and discuss the social aspects of the MAME community surrounding this specific version.

: ROMs are strictly version-dependent in MAME. If you use the 0.217 emulator, you should specifically seek a 0.217 romset to avoid "Missing File" errors.