DTK Computers
Technical Information Sheet for PII-124
S=shorted, O=open DIP switch 1=on 0=off
JP2:Parallel Port Address JP3:Light Pen
o o-o LPT1 <1> Light pen input
o-o o LPT2 <2> Not used
<3> Light pen switch
JP4:B&W Composite Enable <4> Chassis ground
S Enable monochrome port <5> +5 volts
O Disable monochrome port <6> +12 volts