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MAME version 0.147 is an older release from 2012 . To set up BIOS and ROMs for this specific version, follow these steps to ensure compatibility and functionality. 1. Match Your ROMs to Version 0.147

The MAME/MESS Merger: Starting with 0.147, the "MESS" (Multiple Emulator Super System) components were integrated, allowing MAME to emulate home consoles and computers alongside arcade cabinets.

Step 4: Audit Your ROMs

Open MAME and press F5 (Audit All Games). MAME will scan and verify each BIOS and game set. If a BIOS is missing or mismatched, games requiring that BIOS will show as "Not Working" or "BIOS Missing."

How to verify BIOS compatibility (process)

  1. Obtain the expected ROM listing for MAME 0.147 (the dat file for that version).
  2. Compare checksums (CRC32, SHA1) of your BIOS files to the dat.
  3. Place files into the MAME roms folder following exact names/structure.
  4. Launch MAME and check the built-in audit/verification — it will report missing or incorrect BIOS files.