arcade systems. It is often a "common file" shared across multiple BIOS sets, such as coh1002m.zip coh3002c.zip LaunchBox Community Forums Why this happens Missing BIOS Set : You likely have the game ROM (e.g., Street Fighter EX2 Primal Rage 2
Based on field reports and technical documentation from similar error patterns, here are the most likely causes: 78081g503.ic655 not found
The extension .ic655 is strongly associated with , a legacy line of programmable logic controllers (PLCs) and modular units (often linked to brands like GE Fanuc or Emerson). These files usually contain specific configuration data, boot instructions, or firmware blobs required to initialize a specific module. arcade systems
Manually copy the file into the directory where the error message originated. When to Contact Manufacturer Support Manually copy the file into the directory where
Many modern antivirus programs flag unknown .ic files as potentially unsafe.
Rarely. The .ic655 pattern suggests a Windows-oriented tool. However, if the software runs via Wine or a virtual machine, the same error can occur.
Some security tools quarantine unrecognized .ic655 files. Check antivirus quarantine logs and restore if present.