4.ATX power connectors (20-pin ATXPWR, 4-pin ATX +12V)

These connectors connect to an ATX 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.

In addition to the 20-pin ATXPWR connector, this motherboard requires that you connect the 4-pin ATX +12V power plug to provide sufficient power to the CPU.

ATXPWR1

+12.0Volts

+5.0 Volts

 

+5V Standby

+5.0 Volts

 

Power Good

-5.0 Volts

 

Ground

Ground

 

+5.0 Volts

Ground

 

Ground

Ground

P4SC-E

+5.0 Volts

Power Supply On

Ground

Ground

 

 

+3.3 Volts

-12.0Volts

 

+3.3 Volts

+3.3Volts

ATX12V1

COM

+12V DC

P4SC-E ATX Power Connector

COM +12V DC

IMPORTANT

If you will need to replace the power supply in the future, make sure that your new ATX 12V power supply can provide 8A on the +12V lead and at least 1A on the +5-volt standby lead (+5VSB). The minimum recommended wattage is 230W, or 300W for a fully configured system. The system may become unstable and may experience difficulty powering up if the power supply is inadequate.

ASUS Terminator P4 533 Barebone System

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Asus P4 533 manual ATX power connectors 20-pin ATXPWR, 4-pin ATX +12V, ATXPWR1