39
2
Hardware Installation
Power Connectors
X
The 4-pin +12V power connector enables the delivery of more
+12VDC current to the processor’s Voltage Regulator Module
(VRM).
1 3
1
1 2 2 4
+3.3VDC
+3.3VDC
GND
+5VDC
GND
+5VDC
GND
PWR_OK
+5VSB
+12VDC
+12VDC
+3.3VDC
+3.3VDC
-12VDC
GND
PS_ON#
GND
GND
GND
-5V
+5VDC
+5VDC
+5VDC
GND
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 that must be inserted onto the
24-pin connector on the system board.
X
4
3
1
2
+12V
Ground
Ground
+12V