Dfi COM330-B Manual de usuario descargar pdf (Pagina 43)

Hardware Installation

Power Connectors

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.

Use a power supply that complies with the ATX12V Power Supply Design Guide

Version 1.1. An ATX12V power supply unit has a standard 24-pin ATX main

power connector that must be inserted into the 24-pin connector. The 4-pin +12V

power connector enables the delivery of more +12VDC current to the COM ex-

press module board and carrier board’s PCI/ PCIe device.

The power connectors from the power supply unit are designed to t the 24-pin

and 4-pin connectors in only one orientation. Make sure to nd the proper orien-

tation before plugging the connectors.

Ground

+12V

+3.3VDC

Ground

+5VDC

PWR_OK

+5VSB

+12VDC

+3.3VDC

-12VDC

PS_ON#

+5VDC

Ground

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Dfi COM330-B Manual de usuario Pagina 43