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Motherboard Manual
ATXPWR2: ATX Power Source Connector
This connector provides +12V to CPU power circuit.
Pin
1
2
3
4
Assignment
+12V
+12V
Ground
Ground
ATXPWR1: ATX Power Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
Pin
13
14
15
16
17
18
19
20
21
22
23
24
Assignment
+3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
NC
+5V
+5V
+5V
Ground
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Assignment
+3.3V
+3.3V
Ground
+5V
Ground
+5V
Ground
PW_OK
Standby Voltage+5V
+12V
+12V
+3.3V
Note1: Before you power on the system, please make sure that both ATXPWR1 and
ATXPWR2 connectors have been plugged-in.
Note2: Insufficient power supplied to the system may result in instability or the
peripherals not functioning properly. Use of a PSU with a higher power output is
recommended when configuring a system with more power-consuming devices.
12