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Hardware installation, Power connector – DFI CP337-NRM User Manual

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Hardware Installation

1

Connect a 24-pin ATX main power connector from the power supply unit to the
24-pin power connector. The connector from the power supply unit is designed to
fit the 24-pin connector in only one orientation. Make sure to find the proper ori-
entation before plugging the connector.

The system board requires a minimum of 120 Watt power supply to operate. We
recommend that you use a power supply that complies with the ATX12V Power
Supply Design Guide Version 1.1.

Important
The system board consumes a minimal amount of power. Due to its low
power consumption, you only need a 120W to 150W power supply. Every
power supply has its minimum load of power. If you use a greater than
150W power supply, the power consumed by the system board may not
attain its minimum load causing instability to the entire system.

Power Connector

24

12

13

1

+3.3VDC

-12VDC

GND

PS_ON#

GND

GND

GND

NC

+5VDC

+5VDC

+5VDC

GND

+3.3VDC

+3.3VDC

GND

+5VDC

GND

+5VDC

GND

PWR_OK

+5VSB

+12VDC

+12VDC

+3.3VDC

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