Intel BONANZA S478 I875 ATX DDR BLKD875PBZLK User Manual

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The Desktop Board D875PBZ provides a Flex 6 audio subsystem based on the Analog Devices 
AD1985 codec.  The audio subsystem supports the following features: 
•  Advanced jack sense with Auto Topology Switching that enables the audio codec to recognize 

what device is connected to an audio port and alerts the user if the wrong type of device has 
been connected 

•  Split digital/analog architecture for improved S/N (signal-to-noise) ratio:  > 94 dB 

Audio software and drivers are available from Intel’s World Wide Web site. 

Obtaining audio software and drivers 

Section 1.2, page 16 

®

The Flex 6 audio subsystem includes the following: 
•  Intel 82801ER I/O Controller Hub (ICH5-R) 
•  Analog Devices AD1985 audio codec 
•  Microphone input that supports a single dynamic, condenser, or electret microphone 
The subsystem has the following connectors: 
•  ATAPI-style CD-ROM connector 
•  ATAPI-style auxiliary line input connector 
•  Front panel audio connector, including pins for: 

  Line out 
  Mic in 

•  Back panel audio connectors that are configurable through the audio devices drivers.  The 

available configurations are shown in Figure 9. 

Rear Channel
Left and Right Out

Front Channel
Left and Right Out

Center Channel and
LFE (Subwoofer) Out

Line In

S/PDIF

Mic In

OM15974

Line In

Line Out

Mic In