Intel Desktop Board DH55HC Technical Product Specification 
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2.2.1  Back Panel Connectors 
Figure 9 shows the location of the back panel connectors for the board. 
 
Item Description 
A  PS/2 keyboard/mouse port 
B USB ports 
C VGA port 
D DVI-D connector 
E HDMI connector 
F USB ports 
G LAN 
H USB ports 
I  Audio line in 
J  Audio line out 
K Mic in 
Figure 9.  Back Panel Connectors  
 
 
NOTE 
The back panel audio line out connector is designed to power headphones or amplified 
speakers only.  Poor audio quality occurs if passive (non-amplified) speakers are 
connected to this output.