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Power connector – DFI SR100-N User Manual

Page 54

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Hardware Installation

Power Connector

Connect a 20-pin ATX main power connector from the power sup-
ply unit to the ATX 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 De-
sign 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

120W to

120W to

120W to

120W to

150W

150W

150W

150W

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.

+12V

1 1

1

1 0

3.3V

3.3V

Ground

+5V

Ground

+5V

Ground

PW-OK

5VSB

+5V

3.3V

-12V

N. C.

+5V

2 0

Ground

PS-ON

Ground

Ground

Ground

X