GA-EP45C-DS3R/DS3 Motherboard - 100 -
5-2 Configuring Audio Input and Output
5-2-1 Configuring 2/4/5.1/7.1-Channel Audio
The motherboard provides six audio jacks on the
back panel which support 2/4/5.1/7.1-channel audio.
The picture to the right shows the default audio jack
assignments.
The integrated HD (High Definition) audio provides
jack retasking capability that allows the user to change
the function for each jack through the audio driver.
For example, in a 4-channel audio configuration, if a Rear speaker is plugged into the default Center/
Subwoofer speaker out jack, you can retask the Center/Subwoofer speaker out jack to be Rear
speaker out.
• To install a microphone, connect your microphone to the Mic in jack and manually
configure the jack for microphone functionality.
• If your front panel audio supports Intel HD Audio standard, you can have both the front and
back panel audio connectors active simultaneously.
High Definition Audio (HD Audio)
HD Audio includes multiple high quality digital-to-analog converters (DACs) that support 48KHz
sampling rate. HD Audio features multistreaming capabilities that allow multiple audio streams (in and
out) to be simultaneously processed. For example, users can listen to MP3 music, have an Internet
chat, make a telephone call over the Internet, and etc. all at the same time.
A. Configuring Speakers:
(The following instructions use Windows XP as the example operating system.)
Step 1:
After installing the audio driver, the Audio Manager
icon will appear in your system tray. Double-
click the icon to access the Audio Control Panel.
(Note) 2/4/5.1/7.1-Channel Audio Configurations:
Refer to the following for multi-channel speaker configurations.
• 2-channel audio: Headphone or Line out.
• 4-channel audio: Front speaker out and Rear speaker out.
• 5.1-channel audio: Front speaker out, Rear speaker out, and Center/Subwoofer speaker out.
• 7.1-channel audio: Front speaker out, Rear speaker out, Center/Subwoofer speaker out, and Side speaker out.
Before installing the audio driver, make sure the "Microsoft UAA Bus driver for High Definition
Audio" has been installed from the motherboard driver disk and your operating system has
been updated with the latest Service Pack for Windows.
Rear Speaker Out
Center/Subwoofer
Speaker Out
Side Speaker Out
Line In
Front Speaker Out
Mic In
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