ECS 661GX-M7

21
Installing the Motherboard
Pin Signal Name
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 Filtered +5V 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
CD_IN: Analog audio input connector
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 Parallel ATA.
1 CD in_L CD In left channel
2 GND Ground
3 GND Ground
4 CD in_R CD In right channel
Pin Signal Name Function
Pin Signal Name Function
1 Ground 2 TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground - -
Pin Signal Name
Pin Signal Name