2
Hardware Installation
49
2.6.12 Power Connectors
AN37
1
We recommend that you use a power supply that complies with
the ATX12V Power Supply Design Guide Version 1.1. An ATX12V
power supply has a standard 20-pin ATX main power connector
and a 4-pin +12V power connector that must be inserted onto
J9K1 and CN6 connectors respectively.
The 4-pin +12V power connector enables the delivery of more
+12VDC current to the processor’s Voltage Regulator Module
(VRM).
The system board requires a minimum of
30
0 Watt power sup-
ply to operate. Your system configuration (amount of memory,
add-in cards, peripherals, etc.) may exceed the minimum power
requirement. To ensure that adequate power is provided, use a
300 Watt (or greater) power supply.
+12V
11
1
10
3.3V
3.3V
Ground
+5V
Ground
+5V
Ground
PW-OK
5VSB
+5V
3.3V
-12V
Ground
PS-ON
Ground
Ground
Ground
-5V
+5V
20
W
+12V
4
3
1
2
Ground
Ground
+12V
W