Adds support for
larger engine board memory sizes (4MB or larger). The
engines that use these new boards are the PS3.0 HO
Diesels and the PS3.0 Steam/Diesels
Add support for HO Pantograph operation.
When loading either a PS3.0
HO Steam/Diesel or an O gauge/G scale PS3.0 Steam/Diesel
engine you MUST have DCS 4.20 software installed in your
TIU (and remote)