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2.7 Headers & Connectors
ATX: ATX Power Source Connector
For better compatibility, we recommend to use a standard ATX 24-pin power supply for this
connector. Make sure to find the correct orientation before plugging the connector.
Pin
Assignment
Pin
Assignment
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
Ground
3
Ground
16
PS_ON
4
+5V
17
Ground
5
Ground
18
Ground
6
+5V
19
Ground
7
Ground
20
NC
8
PW_OK
21
+5V
9
Standby Voltage+5V
22
+5V
10
+12V
23
+5V
11
+12V
24
Ground
12
+3.3V
ATX_12V_2X4: ATX Power Source Connector
The connector provides +12V to the CPU power circuit. If the CPU power plug is 4-pin, please
plug it into Pin 1-2-5-6 of ATX_12V_2X4.
Pin
Assignment
1
+12V
2
+12V
3
+12V
4
+12V
5
Ground
6
Ground
7
Ground
8
Ground
Note
»
» Before you power on the system, please make sure that both ATX, ATX_12V_2X4 and connectors
have been plugged-in.
»
» 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.
20 | Chapter 2: Hardware installation