Acer Veriton X4620G Acer Veriton X4620G Desktop Service Guide - Page 116

Checking Connector Connecting Optional Devices Refer to the following for information on connecting the motherboard's optionaldevices: F_AUDIO: Front Panel Audio Header The front panel audio header allows the user to install auxiliary front-orientedmicrophone and line-out ports for easier access. This header supports HD audio bydefault. If you want connect an AC'97 front panel audio to HD onboard headers,please set as below picture. Pin Signal Name 1 Left channel microphone input signal 3 Right channel microphone input signal 5 Right channel to front panel 7 Analog ground 9 Left channel to front panel Pin Signal Name 2 Analog groud 4 HD Panel sensor detect 6 Microphone sensor detect 8 No pin 10 Line-in sensor detect Chapter 5 108