Changes
File:Pace_RS232_Serial_Interface_User_Guide.jpg
</gallery>
=Pace RS232 Serial Interface with Extra ROM board=
This is a different version of the RS232 shown above, featuring the Serial Interface, but with a separate ROM board below.
This could be modified with 2 pins and a capacitor to work as a x4 ROM box. Pic.4 below shows the modified board.
<gallery>
File:Pace-rs232-above.jpg
File:Pace-rs232-side.jpg
File:Pace-rs232-lower.jpg
File:Pace-rs232-modified-romboar.jpg
File:Pace-interface-bottom.jpg
File:Pace-romboard-bottom.jpg
</gallery>
[[Media:RS232_Pace_Interface-Commstar.zip|Commstar Manual (EN)]]
