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Chapter 2 Installation Instructions
NF3250K8AA/NF3250GK8AA Series User Manual
Power Supply
This motherboard uses an ATX power supply. In order to avoid damaging any
devices, make sure that they have been installed properly prior to connecting
the power supply.
ATX Power Connector: PWR1
PWR1 is the ATX power supply connector.
Make sure that the power supply cable
and pins are properly aligned with the
connector on the motherboard. Firmly
plug the power supply cable into the con-
nector and make sure it is secure.
ATX 12V Power Connector: PWR2
The 4 pin ATX 12V power supply connects
to PWR2 and provides power to the CPU.
ATX 20-pin Power Connector
20
10
12V
5VSB
5V
GND 3.3V
GND
5V
GND
PWR-OK
3.3V
11
1
5V
GND
3.3V
GND
GND
5V
-5V GND PS-ON -12V
ATX 12V Power Connector
12V
G ND
12V
3
1
2
4
GND
Attention:
You have to press the power button for more than four seconds if
you change the default Instant-off setting to
“
Delay 4 Sec
”
for the
“
Soft-Off by PBTN
”
option in the BIOS Power Management Setup.
