MSI MS-7293 Series Getting Started page 16

M S-7293 M ainboard
Optical SPDIF-Out connector
This SPDIF (Sony & Philips Digital Interconnect Format) connector is provided for
digital audio transmission to external speakers through an optical cable.
Audio Port Connectors
These audio connectors are used for audio devices. You can differentiate the color
of the audio jacks for different audio sound effects.
Blue audio jack - Line In, is used for external CD player, tapeplayer or
Green audio jack - Line Out, is a connector for speakers or headphones.
Pink audio jack - Mic In, is a connector for microphones.
Black audio jack - Rear-Surround Out in 4.1/ 5.1/ 7.1 channel mode.
Orange audio jack - Center/ Subwoofer Out in 5.1/ 7.1 channel mode.
Gray audio jack - Side-Surround Out in 7.1 channel mode.
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other audio devices.