Hardware installation, Power connector – DFI SR330-N User Manual

Page 56

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56

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Hardware Installation

1 3 1

1 2

2 4

+3.3VDC
+3.3VDC
Ground
+5VDC
Ground
+5VDC
Ground

PWR_OK

+5VSB
+12VDC
+12VDC
+3.3VDC

+3.3VDC

-12VDC

Ground

PS_ON#

Ground

Ground

Ground

NC

+5VDC

+5VDC

+5VDC

Ground

Power Connector

Connect a 24-pin ATX main power connector from the power sup-
ply unit to the ATX power 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

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.

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