"I received the PCB and have started testing. It uses a Namco Galaxian pinout.
I dumped the ROMs (five on a Galaxian-style daughterboard). Romident identifies ROMS 1-3 and 5 as galap4 (Galaxian Part 4). ROM 4 is unidentified.
Part 2 looks closer to the original Galaxian than Part 4. Here's the title screen from Part 2 (PCB playing via a JAMMA adapter). Notice that it says "GX Part II":"
[ATTACHED IMAGE - CLICK FOR FULL SIZE]
Entire thread
Subject
Posted by
Posted on
New unemulated Galaxian boots (GX Part II and III) found (and dumped)