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2
Hardware Installation
Power Connectors
Use a power supply that complies with the ATX12V Power Supply
Design Guide Version 1.1. An ATX12V power supply has a standard
24-pin ATX main power connector and a 4-pin +12V power
connector that must be inserted onto CN10 and CN9 connectors
respectively.
The 4-pin +12V power connector enables the delivery of more
+12VDC current to the processor’s Voltage Regulator Module
(VRM).
The 5V/12V power connector is an additional power connector. If
you are using two graphics cards, we recommend that you plug a
power cable from your power supply unit into the 5V/12V power
connector. This will provide more stability to the entire system. The
system board will still work even if the additional power connector is
not connected.
X
X
4
3
1
2
+12V
Ground
Ground
+12V
13 1
1224
+3.3VDC
+3.3VDC
COM
+5VDC
COM
+5VDC
COM
PWR_OK
+5VSB
+12VDC
+12VDC
+3.3VDC
+3.3VDC
-12VDC
COM
PS_ON#
COM
COM
COM
NC
+5VDC
+5VDC
+5VDC
COM
5V/12V
1
4
+5V+12V
Ground
Ground
X
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