This is an standard evalutation board that allows the user to evaluate the pcDuino3 core board. The configuration of this evaulation board coded 'A' is excatly same as pcDuino3, which is a 100Mbps MAC. All the firmware for pcDuino3 works for evaulation board A, and so are the firmware flashing methods.
If you are thinking to have a different base board to go producation with pcDuino3c core board, and have done prototype with pcDuino3. Please contact firstname.lastname@example.org to custome make one baseboard for you.
Explanation of the headers: