DC Connectors and Pinout
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1
Turning the I/O Switch Off
Before installing the PSU, unplug the AC Power cord
and make sure the I/O switch is off.
I/O switch is off
2
ATX 24-pin [20+4]
Connect 20+4-pin connector to the motherboard.
Note: The detachable 4-pin connector of the 20+4-pin is not suitable for
ATX12V 4-pin connector. Incorrect connection may cause irreversible damage.
PIN 13
PIN 1
Pin
Signal
Pin
1
+3.3 VDC
13
2
+3.3 VDC
14
3
15
COM
4
+5 VDC
16
5
COM
17
6
+5 VDC
18
7
COM
19
PIN 24
8
PWR OK
20
9
+5 VSB
21
PIN 12
10
+12 VDC
22
11
+12 VDC
23
12
+3.3 VDC
24
Signal
+3.3 VDC
-12 VDC
COM
PS_ON
COM
COM
COM
Reserved N/C
+5 VDC
+5 VDC
+5 VDC
COM
7