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Chapter 2 Installation Instructions
16
955X7AA 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.
4-pin ATX_12V Power Connector: PWR2
The ATX power supply connects to PWR2
and provides power to the CPU
(Please
refer to the item 2 of motherboard layout
on chapter 1)
.
24-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
(Please refer to the item 27
of motherboard layout on chapter 1).
4-pin ATX_12V power connector
12V
GND
12V
3
1
4
2
GND
24
24-pin ATX power connector
13
+3.3V
-12V
RSVD
+5V
GND
GND
GND
PSON
+5V
GND
+12V
GND
+5V_AUX
+5V
+12V
1
GND
+5V
+3.3V
GND
GND
+5V
12
PWROK
Attention:
We strongly recommend you use
24-pin power supply. If you want to
use 20-pin power supply, you need
to align the ATX power connector
according to the right picture.