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AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
Pin
Signal Name
1
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS Microphone Power
4
AUD_VCC
5
AUD_F_R
6
AUD_RET_R
7
REVD
8
Key
9
AUD_F_L
10
AUD_RET_L
SATA1/2/3/4: Serial ATA connectors
These connectors are use to support the new Serial ATA devices for the highest date transfer
rates (1.5 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.
Pin
Signal Name
Pin
Signal Name
1
Ground
3
TX-
5
RX-
7
Ground
IR1: Infrared port
The motherboard supports an Infrared (IR1) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
Pin
Signal Name
Pin
Signal Name
1
Not Assigned
2
Key
3
+5V
4
GND
5
IRTX
6
IRTX
Function
Front Panel Microphone input signal
Ground used by Analog Audio Circuits
Filtered +5V used by Analog Audio Circuits
Right Channel audio signal to Front Panel
Right Channel Audio signal to Return from Front Panel
Reserved
No Pin
Left Channel Audio signal to Front Panel
Left Channel Audio signal to Return from Front Panel
Pin
Signal Name
Function
2
TX+
4
Ground
6
RX+
-
-
Function
Function
Not assigned
No pin
IR Power
Ground
IrDA serial output
IrDA serial input
Installing the Motherboard
23
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