Did Guerrilla War come in a 2 stack and 4 stack boardset?

Way back when I collected all the boards for the LS-30 games, I had Guerrilla War in both a 3-board stack and a 2-board stack. Both were JAMMA and both had SNK logos on them.
 
picked up two of these boards in a bulk buy and they are both 2 stacks. The sound is not working on both, are there separate sound boards for these or did I just get that lucky :)
 
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