AC97 front panel into HD Audio board?

elty

Junior Member
Dec 29, 2003
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The case front panel is using AC97 conenctor. Board is using HD (the one with no jumpers) Audio connector.

How do I connect those connectors together?

Tried Google, can't really find any help.
 

renethx

Golden Member
Apr 28, 2005
1,161
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Usually Front Panel HD Audio Connector also supports AC'97 Audio module, that is, you can use your case front audio ports with the AC'97 pin assignments:
  1. Pin 1 - PORT 1L -MIC (Front panel microphone input signal)
  2. Pin 2 - GND - AUD_GND (Ground)
  3. Pin 3 - PORT 1R - MIC_BIAS (Microphone power)
  4. Pin 4 - PRESENCE# - AUD_GND (usually no connection)
  5. Pin 5 - PORT 2R - FP_OUT_R (Right channel audio signal to front panel)
  6. Pin 6 - SENSE1_RETURN - FP_RETURN_R (Right channel audio signal return from front panel)
  7. Pin 7 - SENSE_SEND - AUD_5V (usually no connection)
  8. Pin 8 - KEY - KEY (No pin)
  9. Pin 9 - PORT 2L - FP_OUT_L (Left channel audio signal to front panel)
  10. Pin 10 - SENSE2_RETURN - FP_RETURN_L (Left channel audio signal return from front panel)
Reference: Intel Front Panel I/O Connectivity Design Guide (Section 2.3, pp. 19 - 25) in formfactors.org