Hmm, on my build, I left the AC'97 connector unconnected and put the HD Audio onto the equivalent of that yellow header, thinking it was an either/or sort of thing, rather than needing both. I'd be ...

The antec 902 case has an hd audio wire that has to go into the motherboard. Unfortunately it has 9 wholes to go into 9 wholes on the motherboard, but the 9 wholes is not the same as the 9 pins setupt ...

If you’ve ever opened a PC case and stared inside, or looked at a bare motherboard, you may be taken aback by the number and variety of connectors, pins, and slots that exist on a modern PC ...