Chapter 2 Installation Instructions
12
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.
20-pin 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 connector and make sure it is secure.
4-pin ATX_12V Power Connector: PWR2
The ATX power supply connects to PWR2 and pro-
vides power to the CPU.
4-pin ATX_12V power connector
12V
GND
12V
4
3
2
1
GND
20-pin ATX power connector
20
10
12V
5VSB
5V
GND
3.3V
GND
5V
GND
Pw-OK
3.3V
11
1
5V
GND
3.3V
GND
GND
5V
-5V
GND
PS-ON
-12V
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.
”
from
the
“
Soft-Off by PWR-BTTN
”
option in the BIOS Power Manage-
ment Setup.
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