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Asus M4A78-HTPC/RC User Manual

Page 40

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8.

Optical drive audio in 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.

9.

Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) ports.

The S/PDIF module is purchased separately.

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ASUS M4A78-HTPC

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