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4
Supported Software
4.3 6-Channel Audio Output via Software
(PE21-EC/A and PE21-EL/A only)
The line-in and mic-in jacks (at the rear panel) together with the 4-
channel audio connector suppor ts 6-channel audio output. If, for any
reason, you are not using the 4-channel audio connector which is
made possible by connecting a 4-channel audio cable, the 6-channel
audio output function can be suppor ted using software. Please follow
the steps below.
1. Inser t the provided CD into a CD-ROM drive. The autorun
screen (Main Board Utility CD) will appear.
2. Install the audio driver. Refer to the “Realtek Audio Drivers”
section in this chapter.
3. After installing the audio driver, the "SoundEffect" icon will appear
on the taskbar.
4. Click the "SoundEffect" icon. The "AC97 Audio Configuration”
screen will appear.
5. Click the "Speaker Configuration" tab, then select "6 channels
mode for 5.1 speakers output".
