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PCI-934 Technical Reference Manual
12.2.5 AUDIO I/O CONNECTOR
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Characteristics
The Audio I/O connector provides extra multimedia inputs and outputs connections:
AUX1
Stereo audio connector for a video input: left and right signals can be
gained and attenuated from +12dB to -34.54dB in 1.5dB steps and mixed
with the Line Out signals.
AUX2
Stereo audio input: left and right signals can be gained and attenuated from
+12dB to -34.54dB in 1.5dB steps and mixed with the Line Out signals.
OUT
Stereo audio output: same signals as the Line Out signals provided on the
J21 Jack connector.
MIC
Mono microphone input: same signal as the Mic In signal provided on the
J22 Jack connector.
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Connection
This connector is provided for customized implementation. The cable must be adapted
to the system configuration: It must provide a 14-pin dual-row female header at one
end and the adequate connectors, adapted to each device connector.
12.2.6 SPEAKER TO LINE OUT
By default, system PC speaker sounds are provided on both the Multi-I/O connector (J5)
and the audio Line Out jack (J21).
To output system PC speaker sounds through the Multi-I/O connector only, use the BIOS
setup program to disable this option.
The stereo sound path still remains available for multimedia applications.
12-12
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