>>595
併用は不可よ。

http://forum.xda-developers.com/showthread.php?t=2430982
A Micro USB port has 5 pins, one is power and another is ground, that leaves 3 for data.
These 3 "flip" (for want of a better word) between USB mode and Slimport mode, So it can only do one or the other at any time.