Questions on Ubuntu 13.04 on ASUS Z87-PRO motherboard : Bluetooth and Display

Question

I have recently purchased a ASUS Z87-PRO motherboard and installed Ubuntu 13.04. Everything seemed working fine. But, I have the following questions.

1) Ubuntu detected the bluetooth. When I tried to search my phone, it couldn't find it. But if I switched to Windows 7, the bluetooth worked perfectly (after installed all ASUS come-with drivers).

Is it a driver problem ?

If it's, is there a new linux bluetooth driver out there?

2) I connected my system to the monitor using HDMI, it worked fine. But I was wondering why xrandr -q showed:

Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 32767 x 32767
VGA1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
HDMI3 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
   1920x1080      60.0*+   50.0  
   1600x1200      60.0  
   1680x1050      59.9  
   1280x1024      60.0  
   1440x900       59.9  
   1280x960       60.0  
   1280x800       59.9  
   1280x720       50.0     60.0  
   1024x768       60.0  
   800x600        60.3     56.2  
   720x576        50.0  
   720x480        59.9  
   640x480        60.0  

Since the MB supports DisplayPort 1.2 monitor daisy chain up to 3 displays, I am not surprise to see DP1, DP2 and DP3 there. How come it also showed HDMI1, HDMI2 and HDMI3 ?

But it only has one HDMI port. how can this happen ?