It looks so, I had the same question and it seems in the new designs there is no more Rasspberry Pi B+ compatibility as advertised.
->
http://www.orangepi.org/orangepibbsen/forum.php?mod=redirect&goto=findpost&ptid=2163&pid=16357&fromuid=1090196
Only hope that OrangePi will figure out the error and correct it in next versions.