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Chapter 1: Product introduction
3. ATX power connectors (20-pin ATXPWR)
These connectors connect to an ATX 12V 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.
Make sure that your ATX 12V power supply can provide 8A on the +12V lead
and at least 1A on the +5-volt standby lead (+5VSB). The minimum
recommended wattage is 230W, or 300W for a fully configured system. The
system may become unstable and may experience difficulty powering up if the
power supply is inadequate.
4. Internal audio connectors (4-pin CD, AUX)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
A7V880
®
A7V880 ATX Power Connector
ATXPWR
Pin 1
+3.3VDC
-12.0VDC
GND
PS_ON#
GND
GND
GND
-5.0VDC
+5.0VDC
+5.0VDC
PWR_OK
+12.0VDC
+3.3VDC
+3.3VDC
GND
+5.0VDC
GND
+5.0VDC
GND
+5VSB
A7V880
®
A7V880 Internal Audio Connectors
CD(Black) AUX(White
)
Right Audio Channel
Left Audio Channel
Ground
Ground