My Multi JVS works great in my Sega Net City with any real arcade hardware that I've run on it (Naomi 2, Namco 256, Chihiro, Ringedge 2).
Firmware v1.2.7,
Default I/O (3.0),
Default Profile.
However, I am having an odd problem when I try to hook a PC with a JVS-PAC 2 to the Multi JVS as only...