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14
Connecting Optional Devices
Refer to the following for information on connecting the motherboard's
optional devices:
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
1
SPDIF digital output
SPDIF
2
5V analog Power
+5VA
3
No pin
Key
4
Ground
GND
Function
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.
Pin
Signal Name
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
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.
Pin
Signal Name
Pin
1
2
Ground
3
4
TX-
5
6
RX-
7
-
Ground
Function
Signal Name
TX+
Ground
RX+
-
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