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channel connector IDE on the mainboard. If you have two devices
on the cable, one must be Master and one must be Slave.
Internal Sound Connections
If you have installed a CD-ROM drive or DVD-ROM drive, you
can connect the drive audio cable to the onboard sound system.
On the mainboard, locate the two 4-pin connectors CD-IN and J3.
There are two kinds of connector because different brands of CD-
ROM drive have different kinds of audio cable connectors.
Connect the cable to the appropriate connector.
CD-IN
J3
Infrared Port
You can connect an infrared port to the mainboard. You can
purchase this option from third-party vendors.
1. Locate the infrared port SIR1 header on the mainboard.
2: Mainboard Installation
SIR1
5 GND
4 IRTX
3 IRRX
1 VCC
19
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