15
2-7 On board
Audio
This motherboard southbridge supports AC’97, a standard that allows low cost Audio and
Modem Codecs to be added to the motherboard. Your motherboard comes with a VIA
VT1611 Audio codec. The AC’97 standard defines primary and secondary codecs, the
onboard VIA codec is configured as the primary codec. A secondary AC’97 codec can be
added to the motherboard through the AMR slot, refer to the next section for information
on that.
2-7-1 Backpanel audio connectors
The backpanel Audio connectors allow connection of speakers, a microphone, and MIDI
devices etc. Refer to the following picture:
The Gameport can be used with joysticks, or alternatively as MIDI port. The Line-out is for
speakers, be sure to use only amplified speakers. The Line-IN and Mic-IN are inputs that
can be used for recording.
2-7-2 Onboard audio connectors
The onboard connectors can be used with additional devices, refer to the picture below:
The CD_IN1 input is for the CD-ROM Audio connector.
The AUX_IN1 input is for use with a DVD Add-on card with a Line-in connector.
The PHN1 input is for use with a modem with an internal voice connector.
LINE-OUT LINE-IN MIC-IN
Gameport / MIDI
CD_I
N
1
AU
X
_
IN
1
PH
N1
