78081g503.ic655 Not Found

: Ensure your ROM version matches your MAME executable version (e.g., v0.287). MAME updates frequently change file requirements.

Which you are trying to play (e.g., Street Fighter EX2 Plus ) The version of MAME you are using (e.g., 0.275, 0.219 ) Whether you have the bios file ( coh3002c.zip ) I can provide the exact steps to fix it. MAME 182 - several roms not working 78081g503.ic655 not found

Here is a comprehensive guide to understanding why this happens and how to resolve it. Identifying the Root Cause : Ensure your ROM version matches your MAME

meaning a perfect digital copy of the original chip's internal memory has not been publicly captured or "dumped" yet. LaunchBox Community Forums Summary of the "78081g503.ic655" Issue What it is 78081g503.ic655 not found