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Audio Connectors
This mainboard provides three connectors as part of its audio Subsystem.
CD-ROM Audio-In Header: CD-IN
This header is used to connect to a CD-ROM / DVD audio cable.
Front Panel Audio Header: FRONT AUDIO
If your computer case has been designed with embedded audio equipment. You can attach these
components to the FRONT_AUDIO panel of the mainboard. First remove the jumper caps covering
the FRONT_AUDIO pins. Use pins 1, 3 to connect to the case microphone. Use pins 9,5 to connect
to the earphone. If you do not intend to use the FRONT_AUDIO panel, do not remove the jumper
caps. The front panel audio effect and the back panel audio effect cannot simultaneous function.
If the jumper caps are in place, jumper cap 1 is on pin 5,
pin 6 and jumper cap 2 is on pin 9, pin 10.
S/PDIF Header: SPDIF
S/PDIF (Sony/Philips Digital Interface) is an audio transfer file format, which provides high quality
audio using optical fiber and digital signal. This mainboard is capable of delivering audio output
through the SPDIF header. The SPDIF devices that are sending information from this header must be
compliant for optimal effect.
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KM400A Series
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