ECS 946GZT-M2, Manual, Page: 28 / 80

22
Installing the Motherboard
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
1
AUD_MIC Front Panel Microphone input signal
2
AUD_GND Ground used by Analog Audio Circuits
3
AUD_MIC_BIAS Microphone Power
4
AUD_VCC Fi5V used by Analog Audio Circuits
5
AUD_F_R Right Channel audio signal to Front Panel
6
AUD_RET_R Right Channel Audio signal to Return from Front Panel
7
REVD Reserved
8
Key No Pin
9
AUD_F_L Left Channel Audio signal to Front Panel
10
AUD_RET_L Left Channel Audio signal to Return from Front Panel
Pin Signal Name Function
Pin Signal Name Function
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
SPDIFO1: 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.
1
SPDIF
SPDIF digital output
2
+5VA
5V analog Power
3
Key
No pin
4
GND
Ground
Pin Signal Name Function
Pin Signal Name Pin Signal Name
SATA1/2/3/4: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It eliminates
limitations of the current Parallel ATA interface. But maintains register compatibility and
software compatibility with Parallel ATA.