MSI Kt4avl Manual

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 MS-6712 ATX Mainboard
Using 4- or 6-Channel Audio Function
After installing the audio driver, you are able to use the 4-/6-channel
audio feature now.  To enable 4- or 6-channel audio operation, first connect 4
or 6 speakers to the appropriate audio connectors, and then select 4- or 6-
channel audio setting in the software utility.
There are two ways to utilize the function and connect the speakers to
your computer:
„Using the optional S-Bracket
If your motherboard supports S-Bracket and you have installed S-
Bracket in the computer, you can connect two speakers to back
panel’s Line-Out connector, and the rest of speakers to S-Bracket.
„Using the back panel only
If you do not have a S-Bracket, you can connect all speakers to the
audio connectors on the back panel.
Using the Optional S-Bracket
S-Bracket integrates the SPDIF (Sony & Philips Digital Interface) and
analog LINE OUT connectors together. With this optional accessory, users
will be able to decide either analog or digital audio output when applying the
speakers to the connectors.
Read the following instructions to have the Multi-Channel Audio Func-
tion mode properly set in the software utility, and then have your speakers
correctly connected to the S-Bracket:
Configuration in the Software Utility
1. Click the audio icon 
 from the window tray at the lower-right
corner of the screen.
2. Select a desired surround sound effect from the “Environment” drop-
down menu.
3. Click the Speaker Configuration tab.
4. Select a desired multi-channel operation from No. of Speaker.
a. Headphones Mode for headphone Output
b. 2-Channel Mode for Stereo-Speaker Output
c. 4-Channel Mode for 4-Speaker Output 
						

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Using 4- or 6-Channel Audio Function
d. 6-Channel Mode for 5.1-Speaker Output
5.   Select or clear the Default Phonejack check box to decide which
audio devices you wish to use for audio outputs.
The instructions shown on the Speaker Configuration screen may
vary depending on how you set the options of No. of Speaker and
Default Phonejack. To ensure proper hardware installation, con-
nect your speakers to the correct phonejacks in accordance with the
setting in software utility.
6. Click OK to close this window.
2 3
4
5
6 
						

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 MS-6712 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
When this mode is selected, it is recommended to attach the speakers
to the Line Out connector on the back panel instead of the Line Out
connector on the S-Bracket.
Refer to the following diagram and caption for the function of each
phonejack on the back panel when 2-Channel mode is selected.
2 MIC
3 Line In
1 Line Out
4 Optical SPDIF jack
5 Coaxial SPDIF jack
2 MIC
3 Line In
1 Line Out
4 Optical SPDIF jack
5 Coaxial SPDIF jack
Select “Default Phonejack” Deselect “Default Phonejack”
Back  Panel
3
1
2S-Bracket
4
5
MSI Reminds You...
When any Multi-Channel Audio Mode is selected, you may also
connect your speakers to the Optical or Coaxial SPDIF phonejack
on the S-Bracket to exprience digital surround sound effect. 
						

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Using 4- or 6-Channel Audio Function
„ 4-Channel Mode for 4-Speaker Output
When this mode is selected, plug the two front speakers to the Line
Out connector on the back panel, and the other two rear speakers to
the Line Out connector on the S-Bracket.
Refer to the following diagram and caption for the function of each
phonejack on the back panel and S-Bracket when 4-Channel mode
is selected.
2 MIC
3 Line In
1 Front Speaker Out (Front
channels)
4 Optical SPDIF jack
5 Coaxial SPDIF jack
6 Line Out (Reserved for Center
and Subwoofer channel, but it
is not functioning here)
7 Line Out (Rear channels)
Select “Default Phonejack”Deselect “Default Phonejack”
2 MIC
3 Rear Speaker Out (Rear channels)
1 Front Speaker Out (Front
channels)
4 Optical SPDIF jack
5 Coaxial SPDIF jack
6 Line Out (Reserved for Center and
Subwoofer channel, but it is not
functioning here)
7 Line Out (Rear channels)
Back  Panel
3
1
2S-Bracket
4
56
7 
						

							A-8
 MS-6712 ATX Mainboard
„ 6-Channel Mode for 6-Speaker Output
When this mode is selected, plug the two front speakers to the Line
Out connector on the back panel, and the other two rear speakers to
the Line Out connector on the S-Bracket.
Refer to the following diagram and caption for the function of each
phonejack on the back panel and S-Bracket when 6-Channel mode
is selected.
2 MIC
3 Line In
1 Front Speaker Out (Front
channels)
4 Optical SPDIF jack
5 Coaxial SPDIF jack
6 Line Out (Center and
Subwoofer channels)
7 Line Out (Rear channels)
Select “Default Phonejack”Deselect “Default Phonejack”
2 Center/Subwoofer Speaker Out
(Center and Subwoofer channels)
3 Rear Speaker Out (Rear channels)
1 Front Speaker Out (Front
channels)
4 Optical SPDIF jack
5 Coaxial SPDIF jack
6 Line Out (Center and Subwoofer
channels)
7 Line Out (Rear channels)Back  Panel
3
1
2
MSI Reminds You...
If  the Center and Subwoofer speaker exchange their audio chan-
nels when you play video or music on the computer, a converter
may be required to exchange center and subwoofer audio
signals. You can purchase the converter from a speaker store.
S-Bracket
4
56
7 
						

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Using 4- or 6-Channel Audio Function
„ Digital Audio Output
When any Multi-Channel Audio Function mode is selected, you may
also connect your speakers to the Optical or Coaxial SPDIF phonejack
on the S-Bracket to exprience digital surround sound effect.
Remove the plug from the optical SPIDF phonejack before inserting
the fiber-optic cable, and read the following diagram and captions
for the function of each phonejack on the S-Bracket.
S-Bracket
Plug
1 Optical SPDIF jack
2 Coaxial SPDIF jack
1
2
MSI Reminds You...
Some commonly-used audio output for-
mats (midi, wav,..etc.)  may not be able
to be output from the SPDIF jacks of
the S-Bracket. To convert these audio
formats as SPDIF output:
1. Click the Volume Control icon at the
taskbar (or go to Control Panel/Sounds
and Audio Devices/Volume Control).
2. Click Properties on the Options
menu. Under Adjust volume for, click
Playback, and select the SPDIF check
box in the Show the following volume
controls list.
3. Click Advanced Controls for SPDIF
on the Options menu. Under Other
Controls, select the Sampling rate con-
version for SPDIF output check box.
4. Click Close to exit Volume Control. 
						

							A-10
 MS-6712 ATX Mainboard
Using the Back Panel only
In addition to a default 2-channel analog audio output function, the au-
dio connectors on the Back Panel also provide 4- or 6-channel analog audio
output function if a proper setting is made in the software utility.
Read the following steps to have the Multi-Channel Audio Function
properly set in the software utility, and have your speakers correctly con-
nected to the Back Panel.
Configuration in the Software Utility
1. Click the audio icon 
 from the window tray at the lower-right
corner of the screen.
2. Select a desired surround sound effect from the “Environment”
drop-down menu.
3. Click the Speaker Configuration tab.
4. Select Synchronize the phonejack switch with the settings.
5. Select a desired multi-channel operation from No. of Speakers.
a. 2-Channel Mode for Stereo-Speaker Output
b. 4-Channel Mode for 4-Speaker Output
c. 6-Channels Mode for 5.1-Speaker Output
6. Click OK to close this window.
2 3 
						

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Using 4- or 6-Channel Audio Function
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.
5
6
4
Back  Panel
3
1
22 MIC
3 Line In
1 Line Out (Front channels) 
						

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 MS-6712 ATX Mainboard
* Line In function is converted to Line Out function when 4-Channel Mode for
4-Speaker Output is selected.
„ 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- channel 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.
Back  Panel
3
1
2
2 MIC
3 * Line Out (Rear channels)
1 Line Out (Front channels) 
						

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Using 4- or 6-Channel Audio Function
* Both Line In and MIC function are converted to Line Out function when 4-
Channel Mode for 6-Speaker Output is selected.
„ 6-Channel Mode for 6-Speaker Output
Refer to the following diagram and caption for the founction of each
jack on the back panel when 6-Channel Mode is selected.
MSI Reminds You...
If  the Center and Subwoofer speaker exchange their audio chan-
nels when you play video or music on the computer, a converter
may be required to exchange center and subwoofer audio
signals. You can purchase the converter from a speaker store.
Back  Panel
3
1
2
2 Line Out (Center and
Subwoofer channel)
3 * Line Out (Rear channels)
1 * Line Out (Front channels)