ECS A78F2P-M2 User Manual page 22

8. SPDIFO: SPDIF out header
This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
9. F_AUDIO: Front Panel Audio Header
The front panel audio header allows the user to install auxiliary front-oriented
microphone and line-out ports for easier access. This header supports HD audio by
default. If you want connect an AC' 97 front panel audio to HD onboard headers,
please set as below picture.
A78F2P-M2 USER MANUAL
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