Internal Audio Connectors (4-Pin Cd1); Digital Audio Connector (4-1 Pin Spdif_Out1) - Advantech i915GV-INA Series User Manual

10. Internal audio connectors (4-pin CD1)

These connectors allow you to receive stereo audio input from sound
sources such as a CD-ROM, TV tuner, or MPEG card.

11. Digital audio connector (4-1 pin SPDIF_OUT1)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF)
port(s). Connect the S/PDIF module cable to this connector, then install the
module to a slot opening at the back of the system chassis.
The S/PDIF module is purchased separately.
1-30 Chapter 1: Product introduction