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The ATX power supply uses 20-pin connector shown below. Make
sure you plug in the right direction.
ATX power connector
Pin
Signal
1
N/C
2
N/C
3
GND
4
+5V
5
GND
6
+5 V
7
GND
8
N/C
9
5V SB
10
+12V
Plug in the fan cable to the 3-pin fan connector onboard. The fan
connector is marked CN1.
CPU fan power connector (CN1)
Pin
Signal
1
Fan speed sense
2
+12V
3
GND
Pin
Signal
11
N/C
12
-12V
13
GND
14
PON
15
GND
16
GND
17
GND
18
-5V
19
+5V
20
+5V
Chapter 2 Installation 25
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