4. ATX power connectors (24-pi n EATXPWR, 4-pi n ATX12V)

These connectors are for an ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.

•Use of an ATX 12 V Specification 2.0-compliant power supply unit

(PSU) that provides a minimum power of 350 W is recommended for a fully-configured system.

•Do not forget to connect the 4-pin ATX +12 V power plug; otherwise, the system will not boot up.

•Use of a power supply unit (PSU) with a higher power output is recommended when configuring a system with more power- consuming devices. The system may become unstable or may not boot up if the power is inadequate.

•Make sure that your PSU can provide at least the minimum power required by your system.

EATXPWR

 

+3

Volts

+3 Volts

ATX12V

 

 

 

 

-12 Volts

+3 Volts

+12V DC

+12V DC

 

Ground

Ground

GND

GND

 

PSON#

+5 Volts

 

 

 

Ground

Ground

 

 

 

Ground

+5 Volts

 

 

 

Ground

Ground

 

 

A8S-X SE

-5 Volts

Power OK

 

 

+5 Volts

+5V Standby

 

 

 

 

+5 Volts

+12 Volts

 

 

 

+5 Volts

+12 Volts

 

 

 

Ground

+3 Volts

 

 

A8S-X SE ATX Power Connectors

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Chapter 1: Product introduction