ECS A75F2-A2 V1.0 User Manual page 23

If you use AC' 97 Front Panel, please don' t tick off "Using Front Jack Detect ". If you
use HD Audio Front Panel, please tick off the option of " Using Front Jack Detect ".
* For reference only
7. 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.
A75F2-A2 USER MANUAL
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