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24
Installing the Motherboard
AUX_IN: Auxliary In header (optional)
Pin
Signal Name
Function
1
AUX_L
AUX In left channel
2
GND
Ground
3
GND
Ground
4
AUX_R
AUX In right channel
SATA1/2/3/4: 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.
Pin
Signal Name
Function
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin
Signal Name
Pin
Signal Name
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 coxial connector.
Pin
Signal Name
Function
1
SPDIF
SPDIF digital output
2
+5VA
5V analog power
3
Key
No pin
4
GND
Ground
Pin
Signal Name
Function
USB3/4: Front Panel USB header
The motherboard has four USB ports installed on the rear edge I/O port array. Additionally,
there are two USB headers onboard. Use the auxiliary USB headers to connect the front-
mounted ports to the motherboard.
1
USBPWR
Front Panel USB Power
2
USBPWR
Front Panel USB Power
3
USB_FP_P0-
USB Port 0 Negative Signal
4
USB_FP_P1-
USB Port 1 Negative Signal
5
US
USB Port 0 Positive Signal
6
US
USB Port 1 Positive Signal
7
GND
Ground
8
GND
Ground
9
Key
No pin
10
USB_FP_OC0
Overcurrent signal
Pin
Signal Name
Function
Содержание RS400-A
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