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2-28 Chapter 2: Hardware information
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 t these connectors in only one orientation.
Find the proper orientation and push down rmly until the connectors
completely t.
• Use of an ATX 12 V Specication 2.0 -compliant power supply unit
(PSU) that provides a minimum power of 350 W is recommended for
a fully-congured 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
conguring a system with more power consuming devices. The
system may become unstable or may not boot up if the power is
inadequate.
P5PL2-E
P5PL2-E ATX Power Connector
EATXPWR
+3 Volts
+3 Volts
Ground
+5 Volts
+5 Volts
Ground
Ground
Power OK
+5V Standby
+12 Volts
-5 Volts
+5 Volts
+3 Volts
-12 Volts
Ground
Ground
Ground
PSON#
Ground
+5 Volts
+12 Volts
+3 Volts
+5 Volts
Ground
ATX12V
GND
+12V DC
GND
+12V DC