As I've found it, I might as well post it.... Here you are : 1 Switch 0 (Push to make, connected between here and ground) 2 Switch 1 3 Swtich 2 4 Switch 3 5 Pot 0 (X direction, -5V to +5V analogue input) 6 Pot 1 (Y direction, -5V to +5V analogue input) 7 +5V 8 Ground 9 -5V The vectrex connector is a 9 pin D, but it's down a rather deep hole. A normal socket won't fit, alas. I've found the best thing to do is to buy the extension lead for a Sega control pad, cut the _plug_ off the cable, and use the socket (which fits after a bit of cutting) and cable to connect to the Vectrex. Make sure you buy a cable that connects to all 9 pins - all the ones I've found do. -- -tony ard12(a)eng.cam.ac.uk The gates in my computer are AND,OR and NOT, not Bill