ECS 661FX-M Deluxe, Manual, Page: 19 / 42

14
Installing the Motherboard
SATA1/SATA2: Serial ATA connectors
These connectors are use to support the new Serial ATA devices for the
highest date transfer rates (150 MB/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 Paral-
lel ATA.
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s
optional devices:
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone
and line-out ports for easier access.
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 co-
axial connector.
Pin Signal Name Function
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
1
SPDIF
SPDIF digital output
2
+5VA
5V analog Power
3
NC
Not connected
4
GND
Ground