Manual
Page 20
...GA-G31M-ES2L/ES2C Motherboard - 20 - RJ-45 LAN Port The Fast Ethernet LAN port provides Internet connection at up a 2/4/5.1/7.1-channel audio configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio." The following describes the states of HD Audio standard via front panel and enable the multi-channel audio feature through the audio driver.... This jack can be connected to 100 Mbps data rate. Microphones must be used to connect front speakers in jack. Only for a headphone or 2-channel speaker. Use this audio jack for GA-G31M-ES2C. Connection LED...
...GA-G31M-ES2L/ES2C Motherboard - 20 - RJ-45 LAN Port The Fast Ethernet LAN port provides Internet connection at up a 2/4/5.1/7.1-channel audio configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio." The following describes the states of HD Audio standard via front panel and enable the multi-channel audio feature through the audio driver.... This jack can be connected to 100 Mbps data rate. Microphones must be used to connect front speakers in jack. Only for a headphone or 2-channel speaker. Use this audio jack for GA-G31M-ES2C. Connection LED...