Installing the Motherboar 2-7
CONT1: ATX Power Input Connector
Attach the connectors from the power supply to CONT1.
Pin number Name or significance of signal
1 +3.3VDC
2 +3.3VDC
3 Ground
4 +5VDC
5 Ground
6 +5VDC
7 Ground
8 Power Good
9+5VSB
10 +12VDC
11 +3.3VDC
12 -12VDC
13 Ground
14 On/Off control signal
15 Ground
16 Ground
17 Ground
18 -5VDC
19 +5VDC
20 +5VDC
FAN1(CPU FAN), FAN2: DC Fan Power Header
Pin number Name of the signal or signification
1 Ground
2 +12V
3 Sense signal
Caution: If power supply connectors are not properly attached to ATX
PWR, the power supply or add-on cards may be damaged.
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