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1-32 Chapter 1: Product introduction
8. 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 t these connectors in only one
orientation. Find the proper orientation and push down rmly until the
connectors completely t.
•
It is recommended that you use an ATX 12 V Specication
2.0-compliant power supply unit (PSU) with a minimum of 350 W
power rating. This PSU type has 24-pin and 4-pin power plugs.
•
If you intent to use a PSU with 20-pin and 4-pin power plugs, make
sure that the 20-pin power plug can provide at least 15A on +12V
and that the PSU has a minimum power rating of 350 W. The
system may become unstable or may not boot up if the power is
inadequate.
•
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.
• The ATX 12 V Specication 2.0-compliant PSU passed the
motherboard power requirement test with the following
conguration:
CPU : Intel
®
Pentium
®
4 3.6 GHz
Memory : 512 MB DDR (x 4)
Graphics card : PCI Express x16 Nvidia EN5900
Parallel ATA devices : IDE hard disk drive (x 2)
Serial ATA device : SATA hard disk drive
Optical drive : CD-ROM
• You must install a PSU with a higher power rating if you intend to
install additional devices.
P5GPL-X
®
P5GPL-X SE A TX power connectors
EATXPWR
ATX12V
+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
+12V DC
GND
GND
+12V DC