just came upon this thread... i just picked up this very pcb, and i puled the roms and loaded them up on the romident site.... the sound rom was for tylz, and 3 or 4 of the roms were qbert set 1 roms.. the others were not in mame.... so i will be burning a set of qbert set 1 roms for the pcb... i did back the roms up that were on the pcb... just incase