Product Description 
23 
1.11  Audio Subsystem 
The board supports Intel High Definition Audio through the Realtek ALC892 audio 
codec interface. 
The Realtek ALC892-based audio subsystem supports the following features: 
•  8+2-channel audio with independent multi-streaming stereo. 
•  Advanced jack sense for the back panel audio jacks that enables the audio codec to 
recognize the device that is connected to an audio port.  The back panel audio 
jacks are capable of retasking according to the user’s definition, or can be 
automatically switched depending on the recognized device type.  
•  Stereo input and output through back panel jacks 
•  Headphone and Mic in functions for front panel audio jacks 
•  S/PDIF audio header 
•  A signal-to-noise (S/N) ratio of 90 dB 
Table 4 lists the supported functions of the front panel and back panel audio jacks.   
Table 4.  Audio Jack Support 
Audio Jack 
phone 
phones 
Speaker 
Line In 
Surround 
Sub 
Surround 
FP Green    Default           
FP Pink  Default             
Rear Blue        Default       
Rear Green    Ctrl panel  Default         
Rear Pink              Default 
Rear Black          Default     
Rear Orange            Default