Intel Desktop Board DH61AG Technical Product Specification 
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Figure 5 shows the location of the internal audio headers. 
 
Item Description 
A  Internal stereo speakers connector 
B  Internal S/PDIF / DMIC header 
C  Front panel audio header  
D  Analog surround audio header 
Figure 7.  Internal Audio Headers 
 
For information about   Refer to 
The signal names of the front panel audio header and S/PDIF / DMIC audio 
header 
Section 2.2.3.1, page 52