NAS 7800 User’s Manual
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Connecting the Power Supply
Connecting the Power Supply
Connecting the Power Supply
Connecting the Power Supply
The VIA NAS 7800 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
Pin
Pin
Pin
Signal
Signal
Signal
Signal
Pin
Pin
Pin
Pin
Signal
Signal
Signal
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