78081g503.ic655

Some Chinese or Asian fabs use custom 11–15 character codes:

, which tracks ROMs that are either missing, corrupted, or have never been properly captured from the original chips. LaunchBox Community Forums Technical Details File Extension 78081g503.ic655

In arcade hardware like the , this chip is often found tied directly to the analog connector output pins. It handles essential peripheral hardware functions that allow the game software to communicate with the machine's physical controls and sensors. Some Chinese or Asian fabs use custom 11–15

❗ strongly suggests a reference designator (like IC655 on a PCB), not the component’s actual model number. 78081g503 might be a supplier’s ordering code or date code. 78081g503.ic655