SOUND: 3.5mm stereo jack
<pre> 1 (Shield) GND 2 (Tip) L Sound 3 (Ring) R Sound</pre>
JOYSTICK 1: 9 way male D. Joystick 2 can be daisy chained
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PRINTER: 25 way female D
<pre> 1 *Strobe 14 2 D0 15 3 D1 16 +5V 4 D2 17 GND 5 D3 18 GND 6 D4 19 GND 7 D5 20 GND 8 D6 21 GND 9 D7 22 GND 10 10 ???? 23 GND 11 BUSY 24 GND 12 25 GND 13</pre>
EXPANSION: 50 way Delta range.