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M728LMR Mainboard User's Manual
audio functions through a user interface that is as simple to use
as a home stereo system. We recommend that you use the
Audio Rack's System Mixer to control your computer's audio
volume, recording devices and recording gain.
4. If the devices you are using require the MIDI port as the
control interface, you need to select the MULTIMEDIA icon
in the CONTROL PANEL. Select the MIDI tab and click on
"CM8738 MPU-401" (Win98) or "CM8738/C3DX PCI Audio
External MIDI Port" (Win95), and then click "OK" to confirm.
5. For more information, refer to the PCI Sound Pro manual on
the CD that ships with this mainboard.
The Four Speakers System
The onboard PCI Sound Pro audio system supports 2 wave
channels (front/rear) known as the 4 speaker system. If you are
running applications which use the DirectSound® 3D or A3D®
audio interface, your system can simulate realistic 3D sound
through a 4 speaker setup. Follow the steps below to install a 4-
speaker setup.
Speaker Installation
Connect the front two speakers to the Line-out jack on the sound
ports extension bracket. Connect the rear two speakers to the Line-
in/Rear jack on the sound ports extension bracket. The original
Line-in can be moved to Aux.
Speaker Position
Set up your speakers similar to the following figure to get the best
audio result.
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