11. ATX power connectors (24-pin EATXPW, 4-pin ATX12V)
These connectors are for 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.
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•
•
P5PL2-E ATX Power Connector
2-28
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.
ATX12V
+12V DC
+12V DC
GND
GND
EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
Ground
+5 Volts
Ground
+5 Volts
Ground
+3 Volts
+3 Volts
Chapter 2: Hardware information
Ground
+5 Volts
+5 Volts
+5 Volts
-5 Volts
Ground
Ground
Ground
PSON#
Ground
-12 Volts
+3 Volts