Solved How am i supposed to connect a 5.1 speaker system to the gigabyte GA-78LMT-S2 (rev. 1.2) ? Tags: Connection Audio Gigabyte Speakers Motherboards Last response: October 7, 2013 7:53 PM in Motherboards Share jajirobe October 7, 2013 6:48:36 PM According to the specs the boards has a : Realtek ALC887 audio codec High Definition Audio 2/4/5.1/7.1-channel But, the back panel have only 3 x audio jacks (Line In/Line Out/Microphone) how am i supposed to connect a 5.1 speaker system ? What am i missing, do i actually need to buy a sound card to be able to use a 5.1 system ? i have the Creative Inspire T6300. More about : supposed connect speaker system gigabyte 78lmt rev Reply to jajirobe Best solution nukemaster a c 75 V Motherboard October 7, 2013 6:52:37 PM Normally, you just use the Line in and Mic out. The realtek software will allow you to re-task those connectors to become rear and center/sub Reply to nukemaster jajirobe October 7, 2013 7:07:41 PM Oh really ? thats awesome, im gonna give it a try, thanks for the fast response. Reply to jajirobe Related resources How to connect Philips DSP2500 5.1 speaker system to Samsung UA46F6400 led tv? - Forum Advice on how to connect 2 speakers with banana slots to a 5.1 system? - Forum Can't find your answer ? Ask ! Get the answer jajirobe October 7, 2013 7:45:15 PM Worked like a charm, thanks again for the help. Reply to jajirobe nukemaster a c 75 V Motherboard October 7, 2013 7:53:15 PM Any time. I looked into the same thing for an Asus mITX board(Not that my GA-H55n will be replaced any time soon). I rarely use line-in and mic in on the back anymore so it is not much of an issue only having 3 jacks now(unless you want 7.1). Reply to nukemaster Ask the community Post an answer Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !