Build Your Own Arcade Controls Forum
Main => Main Forum => Topic started by: RowleyBirkinQC on December 30, 2025, 09:42:36 am
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I am running an I-PAC Ultimate I/O in a 4-player cabinet setup (50/50 MAME/Steam). I am struggling with two critical issues regarding mode persistence and stability:
Unintended Mode Swapping: While playing in X-Input mode (Mode 3), the board frequently drops back into Keyboard mode (Mode 1) at random. This occurs without holding the 10-second "Start+B1" shortcut.
Configuration Wipe: Whenever this unintended swap happens—or even when I manually swap back to Keyboard mode to make edits—my custom mappings are lost. The board appears to revert to a default/blank state, forcing me to reload my .ipc backup and "Write to Board" to restore functionality.
Programming Errors: I cannot "Write to Board" while in X-Input mode (getting "Failed to Configure" errors); I must be in Keyboard mode to save, but the settings aren't remaining persistent across mode changes.
Hardware/Testing Done:
Verified no stuck keys in Keyboard Checker.
Fixed a previously loose pin on the P3 harness (seated correctly now).
Using WinIPAC V2 for configuration.
Questions:
- What could trigger an unintended mode swap from X-input back to Keyboard during gameplay?
- Why are the Keyboard and X-Input mapping lost when this switch occurs?
- Is the above a well known issue, if so is there a fix or is this likely faulty hardware?