Wednesday, September 15, 2010

What is analog audio circuit ground pin contained by my computer's motherboard?

What is analog audio circuit ground pic contained by my computer's motherboard? Ok I am connecting front audio panel to my motherboard and there are two ground connectors coming from front panel,one is mic ground and the other is a moment ago ground.But I have with the sole purpose one ground pin on my motherboard,it says its for analog audio circuit ground within the manual,so Which one should I connect mic ground or only just ground?

What is analog audio circuit ground pin contained by my computer's motherboard?

The mic ground is obviously for your microphone. The other ground is floor ground. If you are connecting this panel to use a microphone, then use the mic ground. The loam ground is not crucial. It is just so that within case of a problem next to the microphone circuit, the panel won't float to the voltage of the mic and shock the user. Instead, with soil ground connected, that fault current would flow to dirt ground and hopefully blow a fuse, breaker, or alarm you of this condition.
here you have two connectors that you may find unused on your MoBo:



http://pinouts.ru/motherboard/mbcpufan_p...

http://pinouts.ru/multimedia/analog_crea...



you could put one of the grounds on one of these; I suggest to use the 'just ground' and the 'mic ground' to be connected at the mobo's audio header.



you could also try and see if it works next to only one pin connected (it should, surrounded by theory :P).
good idea to buy a rental car

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