There is a HDaudio cable which is attached with the case.
I plugged in HDAudio cable to AAFP1 on the motherboard and plugged in the headphone to the case audio hole but it didn't work.
When I plug the headphone directly to the motherboard audio it works but when I plug the headphone to the case audio hole it doesn't work.
what is the problem?
my motherboard is P5B Deluxe