
INSTALLATIONS
ATX1: 24-pin ATX Power Connector
Signal Name
Pin #
Pin #
Signal Name
3.3V 13
1 3.3V
-12V 14
2 3.3V
Ground 15
3 Ground
PS-ON 16
4 +5V
Ground 17
5 Ground
Ground 18
6 +5V
Ground 19
7 Ground
-5V 20
8
Power
good
+5V 21
9 5VSB
+5V 22
10 +12V
+5V 23
11 +12V
Ground 24
12 +3.3V
ATX2: ATX 12V Power Connector
Signal Name
Pin #
Pin #
Signal Name
+12V 5
1 Ground
+12V 6
2 Ground
+12V 7
3 Ground
+12V 8
4 Ground
MB886 Edge Connectors
MB886 User’s Manual
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