Asus P2B-L, P2B-LS, P2B-S standby power, 23.ATX Power Supply Connector (20-pinATXPWR), chipset, your ATX power supply must supply at least 720mA to the +5Volt

INSTALLATION .III

Connectors

III.INSTALLATION

23.ATX Power Supply Connector (20-pin ATXPWR)

This connector connects to a ATX power supply. The plug from the power sup- ply will only insert in one orientation because of the different hole sizes. Find the proper orientation and push down firmly but gently making sure that the pins are aligned.

	+5.0 Volts	+5.0 Volts	-5.0 Volts	Ground	Ground	Ground	PWR Supply On	Ground		-12.0Volts	+3.3Volts
+12.0Volts		+5V Standby	Power Good	Ground	+5.0 Volts	Ground	+5.0 Volts	Ground	+3.3 Volts		+3.3 Volts

P2B-L/S/LS ATX Power Connector

IMPORTANT: Make sure that your ATX power supply can supply at least 10mA on the 5-volt standby lead (5VSB). For motherboards with the onboard LAN

chipset, your ATX power supply must supply at least 720mA to the +5Volt

standby power. You may experience difficulty in powering on your system if your power supply cannot support the load.

34 ASUS P2B-L/P2B-S/P2B-LS User’s Manual