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** If you are using a 20-pin power plug, please refer to Figure1 for power supply
connection. Power plug form power supply and power connectors from
motherboard both adopt key design to avoid mistake installation. You can insert
the power plug into the connector with ease only in the right direction. If the
direction is wrong it is hard to fit in and if you make the connection by force if is
possible.
Figure1：20-pin power plug
.
(4) USB Port connector: USB port fromUL1, CN1, USB3
The connectors are 4-pin connectors that connect USB devices with the 480
Mbit / sec data transfer rate to the system board.
(5) LAN Port connector: RJ-45 LAN port from UL1
This connector is standard RJ45 over USB connectors for Network connection.
The connector supports 10MB/100MB/1G B/s data transfer rate
(6) Audio Line-In, Lin-Out, MIC: AUDIO
These Connectors are 3 Phone-Jack for LINE-OUT, LINE-IN, MIC audio
connections.
Line-in: (BLUE)
Line-out: (GREEN)
MIC: (PINK)
USB Connectors
ROW ROW
ROW ROW
Pin
20-Pin
Audio input to sound chip
Audio output to speaker
Microphone Connector
HDMI
Connector
VGA Connector
PIN
ROW1
1
3.3V
2
3.3V
3
GND
4
5V
5
GND
6
5V
7
GND
8
Power OK
9
+5V (for Soft Logic)
10
+12V
11
+12V
12
+3V
Pin
24-Pin
Figure 2：24-pin power plug
USB Connectors
7
ROW2
3.3V
-12V
GND
Soft Power On
GND
GND
GND
-5V
+5V
+5V
+5V
GND
Line-IN
Line-OUT
MIC-IN
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