Hi, 

I have the Hal 21 jamma board pin out if you wanted it for your site or not i dont know , anyway this is it 

Pinout 


PARTS 		PIN   	PIN   	SOLDER
---------------------------------------------
GND   		36    	35    	GND 
GND   		34    	33    	GND 
+12   		32    	31    	+12 
SP2   		30    	29    	SP1 
Video-Red  	28 	27  	Video-Green 
Video-Blue  	26 	25  	Video-Sync 
Video-GND  	24 	23 
  		22 	21  	PL2 Missile 
PL2 Laser  	20 	19  	PL2 Right 
PL2 Left  	18 	17  	PL2 Down 
PL2 Up  	16 	15  	GND 
  		14 	13 
PL1 Missile  	12 	11  	PL1 Laser 
PL1 Right  	10 	9  	PL1 Left 
PL1 Down  	8 	7  	PL1 Up 
PL2 Play  	6 	5  	PL1 Play 
Service  	4 	3  	Coin 
+5  		2 	1  	+5 


Yours 

Benjamin MacLean