Atx Power Connectors - Asus M3N78 SE User Manual

9. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for an ATX 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.
M3N78 SE
M3N78 SE ATX power connectors
• We recommend that you use an ATX 12 V Specification 2.0-compliant power supply
• If you intend to use a PSU with 20-pin and 4-pin power plugs, make sure that the 20-pin
• Do not forget to connect the 4-pin ATX +12 V power plug; otherwise, the system will not
• We recommend that you use a PSU with higher power output when configuring a
• If you are uncertain about the minimum power supply requirement for your system,
• You must install a PSU with a higher power rating if you intend to install additional
1-22
unit (PSU) with a minimum of 300 W power rating. This PSU type has 24-pin and 4-pin
power plugs.
power plug can provide at least 15 A on +12 V and that the PSU has a minimum power
rating of 300 W. The system may become unstable or may not boot up if the power is
inadequate.
boot up.
system with more power-consuming devices. The system may become unstable or may
not boot up if the power is inadequate.
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
devices.
ATX12V
EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
PIN 1
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
Chapter 1: Product introduction