This connector is usually located near the top of the motherboard, and it is labeled "HD Audio" or "AC'97." 2. Connect the HD audio cable to the sound card. The sound card will have a matching HD audio connector. 3. Connect the other end of the HD audio cable to the motherboard. The HD audio cable will have a male connector on one end.. The back I/O audio port will work, that connector is for the front 3.5mm audio. If you want to connect it regardless you will need to remove the plate is like 3 screws altogether, also the connector on the motherboard is smaller than the one of the case. The motherboard should have come with an adapter for it, mine did.
HD audio. WHERE DOES IT GO I have an MSI Z370 -A pro series Motherboard Nzxt S340 case Plz help comments sorted by Best Top New Controversial Q&A Add a Comment -UserRemoved- •. I've got this motherboard - the connector's in the lower left quadrant. CHeck the manual.. I have a MSI H81M-P33 Micro ATX LGA1150 Motherboard and my front IO panel requires that I plug in the HD audio plug before I can plug in my headphones. Where is it on my board? I have look alround but no success. I am not interested in plugging it in somewhere that might screw up my computer.