Asus P2B-LS P2B-LS User Manual - Page 34

ATX Power Supply Connector 20-pin ATXPWR

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+5.0 Volts +5.0 Volts -5.0 Volts Ground Ground Ground PWR Supply On Ground -12.0Volts +3.3Volts III. INSTALLATION 23. ATX Power Supply Connector (20-pin ATXPWR) This connector connects to a ATX power supply. The plug from the power supply 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. 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. +12.0Volts +5V Standby Power Good Ground +5.0 Volts Ground +5.0 Volts Ground +3.3 Volts +3.3 Volts R III. INSTALLATION Connectors 34 ASUS P2B-L/P2B-S/P2B-LS User's Manual

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34
ASUS P2B-L/P2B-S/P2B-LS User’s Manual
Connectors
III.
INSTALLATION
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.
P2B-L/S/LS ATX Power Connector
+3.3Volts
-12.0Volts
Ground
PWR Supply On
Ground
Ground
Ground
-5.0 Volts
+5.0 Volts
+5.0 Volts
Power Good
+12.0Volts
+3.3 Volts
+3.3 Volts
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+5V Standby
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.