Aaeon EMB-B75B Manual de usuario descargar pdf (Pagina 25)

2-17

Chapter 2: Motherboard information

IMPORTANT:

• Forafullyconguredsystem,werecommendthatyouuseapowersupply

unit(PSU)thatcomplieswithATX12VSpecication2.0(orlaterversion)

and provides a minimum power of 350 W.

• DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the

system will not boot up.

• We recommend that you use a PSU with higher power output when

conguringasystemwithmorepower-consumingdevices.Thesystem

may become unstable or may not boot up if the power is inadequate.

2.7.2 Internal connectors

1. ATX power connectors (24-pin EATX_PWR1, 4-pin EATX_PWR2)

These connectors are for ATX power supply plugs. The power supply plugs

aredesignedtottheseconnectorsinonlyoneorientation.Findtheproper

orientationandpushdownrmlyuntiltheconnectorscompletelyt.

EMB-B75B ATX power connectors

EATXPWR1

PIN 1

GND

+5 Volts

-5 Volts

GND

PSON#

GND

-12 Volts

+3 Volts

+12 Volts

+5V Standby

Power OK

GND

+5 Volts

GND

+5 Volts

GND

+3 Volts

EATX_PWR2

+12V DC

GND

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Aaeon EMB-B75B Manual de usuario Pagina 25