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mic bias wire? connecting to mobo


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urdreamn's Avatar
urdreamn urdreamn is offline
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Join Date: Jul 2004
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03-Jul-2004, 11:32 PM #1
mic bias wire? connecting to mobo
I am connecting my front panel audio connector to the mobo, and i dont know what mic bias is or which place to connect it to. I cant seem to get the mic in the front of the computer to work. I t works in the back but not in
the front. Any ideas?
kiwiguy's Avatar
Member with 17,584 posts.
 
Join Date: Aug 2003
Location: New Zealand
04-Jul-2004, 02:11 AM #2
Mic bias is the DC feed to an "electret" type condenser microphone

Audio is on the tip, current limited 5v bias is on the ring and ground is on the sleeve.

Check it out here:
http://www.epanorama.net/documents/p...crophones.html
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