MSI 655 Max User Manual page 101

MS-6730 ATX Mainboard
2-Channel Analog Audio Output
We recommend that you should still attach the speakers to BACK PANEL's
Line Out connector during 2-channel audio mode even though S-Bracket's
Line Out connectors function properly.
1 MIC
2 Line In
3 Line Out (Front channels)
4-Channel Analog Audio Output
1 MIC
2 Line In
3 Line Out (Front channels)
4 Optical SPDIF jack
5 Coaxial SPDIF jack
6 Line Out (Center and Subwoofer channel, but no functioning in this mode)
7 Line Out (Rear channels)
Back Panel
3
A-20
Back Panel
3
Description:
Connect two speakers to back panel's Line Out
connector and two speakers to one Line Out
connector of S-Bracket.
1
4
2
5
1
2
S-Bracket
6
7