Then look at the 2nd Video here:
ASUS Pad | Transformer Pad Infinity | Features
"The Next Transformation" at the 3/4 point, they explain all the effort and testing the engineers did to get the Infinity to work with the Primes Dock Tell them to watch their own video and tell you again how they are not compatible.
Good luck guys. Without the Dock, the Infinity is not so infinite. Let us know how you make out on this issue.