SMC Networks A8V-X manual ATX12V

9. ATX power connectors (20-pin ATXPWR, 4-pin 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 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.

•You must install a PSU with a higher power rating if you intend to install additional devices.

	ATX12V
	GND	GND
A8V-X	+12V DC	+12V DC
	ATXPWR +3.3VDC		+3.3VDC
		-12.0VDC	+3.3VDC
		COM	COM
		PS_ON#	+5.0VDC
		COM	COM
		COM	+5.0VDC
		COM	COM
A8V-X ATX Power Connectors		-5.0VDC	PWR_OK
		+5.0VDC	+5VSB
		+5.0VDC	+12.0VDC

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