13.Optical drive audio connector (4-pin CD)

This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner, or MPEG card.

14.Digital audio connector (4-1 pin SPDIF)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s).

The S/PDIF out cable is purchased separately.

ASUS P5Q-E

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