5. Function Illustrations
M81E-X Series User’s Manual
13
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CD-IN Header “J7, J8”
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The motherboard has two audio headers. J8 is a 4-Pin 2.0mm audio connector
which can be used to input the audio from a CD-ROM or DVD drive. J7 is
exactly the same, except that it supports an alternative kind of connector. Use
either J7 or J8 to connect your CD-ROM or DVD drive audio output.
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IrDA Infrared Header “J10” ( Optional )
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It is a 10-Pin Standard IR(SIR) and Consumer IR(CIR) headers. That support
an optional wireless transmitting and receiving infrared module. This module
mounts to a small opening on system case that support this feature.
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This is an optional item and it must be connected to the CIR and SIR header
Pin
Assignment
1
GND
2
+12V
3
Speed/RPM
1
3
1
4
1
4
Assignment
J7
J8
1
CD-L
GND
2
GND
CD-L
3
GND
GND
4
CD-R
CD-R
Pin
