When attempting to launch specific parent ROM sets like sfex2 (Street Fighter EX 2) from a command line using MAME, users are frequently blocked by a standard system readout: 78081g503.ic655 NOT FOUND (NO GOOD DUMP KNOWN) Use code with caution.
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As of MAME 181, this file was added to the necessary components for the TPS and ZN2 BIOS roms. When attempting to launch specific parent ROM sets
If your frontend emulation software blocks you from starting a game due to the 78081g503.ic655 error, follow these structural steps to resolve the issue: 1. Audit Your BIOS Directory If you share with third parties, their policies apply
As noted in arcade restoration forums, several games share this component, making it a critical part of the ZN-1/ZN-2 architecture.