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ATX12V Power Supply Design Guide
Version 2.0
33
Figure 10. ATX12V Power Supply Connectors
(Pin-side view, not to scale)
1
1
+3.3 +3.3
+3.3
-
12V
CO CO
+5V PS_O
CO CO
+5V CO
CO CO
PWR_
N
+5V +5V
+12V +5V
+12V +5V
+3.3V
CO
Main Power Connector
1
13
+3.3V +3.3V
+3.3V
-
12V
COM COM
+5V
PS_ON#
COM
COM
+5V COM
COM
COM
PWR_ON
NC
+5VSB
+5V
+12V1
+5V
+12V1
+5V
+3.3V
COM
Main Power Connector