@cornishmad you may find these links useful, although I cannot voice for the accuracy of the information, and I am not familiar with the differences between the various Da Vinci models:
https://forum.duet3d.com/topic/1650/da-vinci-pro-1-0
http://www.soliforum.com/topic/18477/conversion-xyz-davinci-jr-pro-with-duet-2-maestro-e3d-v6-cartridge/