front panel audio connection.

statdoc

Junior Member
Feb 16, 2003
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I'm building a pc for the first time. All has gone well until I try to hook up the front panel which has two USB, a speaker jack and a microphone jack. I can figure out where the usb connect to the motherboard. Problem lies with the audio.

I have a "Just 4 PC" case and a "Biostar" motherboard. There are two green wires for the speaker and two red wires for the microphone. Both sets of wires are unlabled. What pins do I connect these wires too. Shouldn't there be a ground wire as well, or would they use the usb ground?

Thanks for your help.