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H81h3-m5 user manual, Chapter 2 – Elitegroup H81H3-M5 (V1.0) User Manual

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Chapter 2

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H81H3-M5 USER MANUAL

7. COM: Onboard serial port header

Connect a serial port extension bracket to this header to add a serial port to your
system.

This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.

8. SPDIFO: SPDIF out header