MSI DKA790GX Series User Manual page 76

Realtek Audio
Connector Settings
Click to access connector settings.
Disable front panel jack detection (option)
Find no function on front panel jacks? Please check if front jacks on your system are
so-called AC'97 jacks. If so, please check this item to disable front panel jack detection.
M ute rear panel output when front headphone plugged in.
Enable auto popup dialogue, when device has been plugged in
Once this item checked, the dialog "Connected device" would automatically pop up
when device plugged in.
A-13