This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. Please follow the instruction in our manual and chassis manual to install your system. If you use AC97 audio panel, please install it to the front panel audio header as below: You dont need Asrock A75M-HVS Instant Boot connect them for AC97 audio panel. Connect the power switch, reset switch and system status indicator on the chassis to this header according[…]