AOpen CD-WRITER IDE5232 User Manual page 9

The red-edge of the IDE Cable must be connected to Pin 1 on the CD-
ReWritable drive.
5. If you have a sound card that can be connected to this CD-
ReWritable drive, you can connect the drive (as Audio-out) and the
sound card (as Audio-in) with a 4-pin audio cable. (See figure above.)
If your mainboad is integrated with built-in sound system, plug the 4-
pin audio cable into the CD-IN connector on the mainboard as
Audio-in.
6. Re-attach the cover of your computer, and reconnect all power cords.
CD-WRITER IDE5232
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