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Power Connectors
Use a power supply that complies with the ATX12V Power Supply
Design Guide Version 1.1. An ATX12V power supply unit has a
standard 24-pin ATX main power connector that must be inserted
into this connector.
Your power supply unit may come with an 8-pin or 4-pin +12V
power connector. The +12V power enables the delivery of more
+12VDC current to the processor’s Voltage Regulator Module
(VRM). If available, it is preferable to use the 8-pin power; otherwise
connect a 4-pin power to this connector.
X
X
131
12 24
+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
+12V
Ground
14
58