ECS A760GM-M3, User Manual, Page: 24 / 68

18
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
F_AUDIO: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
SPDIFO: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
2
+5VA 5V analog Power
3
Key No pin
4
GND Ground
Pin Signal Name Function
1
SPDIF SPDIF digital output
Pin Signal Name Function
1
PORT 1L
2
AUD_GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
Pin Signal Name
9
PORT 2L
10
SENSE2_RETURN
Pin Signal Name