The LC board has a 5v - 3.3v regulator IC. That's why the 3.3v pin is not connected. The MISO pin on the LC board is an output and goes...
Step 9: The final test
Let's see if it works. Connect up the Arduino-with-shield
assembly to our laptop with the USB connector cable and fire up the Arduino IDE.
Load the Examples -> SD -> Cardinfo sketch. Compile and upload it.
Again, a little prayer wouldn't hurt.