Advantech AIMB-542 Series User Manual page 40

7. ATX power connectors (20-pin ATXPWR,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.
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ATX power connector
8. Front panel audio connector (10-1 pin FP_AUDIO)
This connector is for a chassis-mounted front panel audio I/O module that
supports legacy AC '97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.
Front panel audio connector
1-30
Do not forget to connect the 4-pin ATX +12 V power plug; otherwise, the
system will not boot up.
Use a PSU with a minimum power rating of 300 W on this motherboard.
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 GND
+3.3VDC
-12.0VDC
GND
PS_ON#
+12V DC GND
GND
GND
GND
-5.0VDC
+5.0VDC
+5.0VDC
FP_AUDIO
Chapter 1: Product introduction
ATXPWR
+3.3VDC
+3.3VDC
GND
+5.0VDC
GND
+5.0VDC
GND
PWR_OK
+5VSB
+12.0VDC