I would be willing to bet that this device was not mounted in the US as you suggested. AddFix: Driver: Fix Stereo mix problem with codec that supports without cover output PIN Customizations.So If you listened to the music on your headphones and you spoke in the microphone at the same time you can record both of these at once using the stereo mix. AddFix: Device Driver: Customization Package: Small VGA mode should not be checked in silent installation. In some cases the driver may disable this request from your input manufacturer Sony Dell .
I would be willing to bet that this unit was not assembled in the U.S. as you suggested.AddFix: Driver: Fix Stereo Mix issue with codec which support capless output pin Customizations.So if you were listening to music on your headphones and you were talking into your mic at the same time you could record both of those at once by utilizing Stereo Mix.AddFix: Driver: Customizations Package: Small VGA mode should not be checked in silent installation.In some cases driver may disable this input due manufacturer request Sony Dell .