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Old 02-25-2021, 11:05 PM   #1
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Default EPOX EP-MGF6100-M No USB Sound

This is a Socket AM2 Nvdia board with GeForce 6100 chipset.

The Onboard sound does not work if I use USB headphones but does work if I use the mini RCA jack. I did use the USB ports on the actual motherboard.

Made me wonder how USB talks to the audio chip in every other motherboard but not this one. I do find the audio a bit weak. I could replace the small caps near the audio port stack
but I don't expect it to fix the USB sound.

Any ideas on how to fix this? I could just add a PCI audio card but it's nice to have front-panel plug in sound.
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Old 02-26-2021, 07:15 AM   #2
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Default Re: EPOX EP-MGF6100-M No USB Sound

I'm not sure what you mean. USB headphones don't rely on the integrated audio codec IC, they have their own audo codec IC. It'll show up as 2 different "sound cards" to the operating system. You have to tell the operating system to choose one or the other to ouptut the audio signal.
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