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79
Chapter 5
ATX
12
V: ATX
12
V Power Connector
ATX
1
: ATX
20
-pin Power Connector
Pin
Signal Name
1
+12V
2
+12V
3
Ground
4
Ground
Pin
Signal Name
Pin
Signal Name
1
+3.3V
11
+3.3V
2
+3.3V
12
-12V
3
Ground
13
Ground
4
+5V 14
PS
ON#
5
Ground
15
Ground
6
+5V
16
Ground
7
Ground
17
Ground
8
PWRGD
18
-5V
9
+5VSB
19
+5V
10
+12V
20
+5V