Fixed my own problem - the "Events" and "Profiles" directories hadn't been created, and the configuration wizard was crashing when it tried to write a file into them.
Now I'm on to actual not working.
I have a PacLED 64 wired up with outputs 1-4 wired to start1 through start4, and output 5 wired to a trackball. I'd like to have all buttons lit up while in GameEx. So far I have:
Under "LED Input Map", I've set P1_START, P2_START, P3_START, P4_START, and P1_TRACKBALL to "Device" as PACDrive, IDs 1 to 5, "Single" 16, and the appropriate keycodes (1-4 and mouse commands).
but nothing happens - the LEDs don't light up under configuration and nothing happens in GameEx. I'm undoubtedly missing something - any pointers to a tutorial or walkthrough?
Also, random last question - does "PACDrive" work? Should I be looking for PacLED 64? All I have as options are LEDWiz and PACDrive.