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10
Connecting the Power Supply
The VIA NAB-7500 mainboard supports a conventional ATX power
supply for the power system. Before inserting the power supply
connector, always make sure that all components are installed correctly
to ensure that no damage will be caused.
ATX 20-Pin Power Connector
To connect the power supply, make sure the power plug is inserted in
the proper orientation and the pins are aligned. Then push down the
plug firmly into the connector.
Pin Signal Pin Signal
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 GND 13 GND
4 +5V 14 Power Supply On
5 GND 15 GND
6 +5V 16 GND
7 GND 17 GND
8 Power Good 18 -5V
9 +5V Standby 19 +5V
10 +12V 20 +5V