I put a Soarer on mine recently and still have the paper around ... here it is:
When you look at the pins for the cable, here's what you see (they are the pins on the border of the bcp, look for the missing one as a reference):
* * *
* *
Use the "empty" pin as a reference and here's where they go:
Top left is Data
Top middle is Ground
Top right is Clock
Bottom left is Vcc
Bottom right is nothing
Enjoy!