MSI 645 Combo User Manual page 76

MS-6737 ATX Mainboard
Connecting the Speakers
When you have set the Multi-Channel Audio Function mode properly
in the software utility, connect your speakers to the correct phonejacks
in accordance with the setting in software utility.
2-Channel Mode for Stereo-Speaker Output
Refer to the following diagram and caption for the function of each
phonejack on the back panel when 2-Channel Mode is selected.
1 Line Out (Front channels)
2 Line In
3 MIC
4-Channel Mode for 4-Speaker Output
The audio jacks on the back panel always provide 2-Channel
analog audio output function, however these audio jacks can be
transformed to 4- or 6- channels analog audio jacks by selecting the
corresponding multi-channel operation from No. of Speakers.
Refer to the following diagram and caption for the founction of
each jack on the back panel when 4-Channel Mode is selected.
1 Line Out (Front channels)
2 * Line Out (Rear channels)
3 MIC
* Line In function is converted to Line
Out function when 4-Channel Mode
for 4-Speaker Output is selected.
A-4
1
2
1
2
3
3