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Pin Assignment of Power
ATX1: Power Supply Connector
PIN NO.
1
3
5
7
9
11
13
15
17
19
21
23
SATAPWR1: SATA Power Connector 1x4 Pins 2.54mm
Pin number
Pin signal
1
12V
2
Ground
3
Ground
4
5V
DESCRIPTION
+3.3V
+3.3V
GND
+5V
GND
+5V
GND
ATXPWGD
5VSB
+12V
+12V
+3.3V
PIN NO.
DESCRIPTION
2
+3.3V
4
-12V
6
GND
8
PSON
10
GND
12
GND
12
GND
16
-5V
18
+5V
20
+5V
22
+5V
24
GND
4 3 2 1
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