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CPU_FAN/SYS_FAN1~3/NB_FAN: FAN Power Connectors
Pin
Signal Name
1
GND
2
+12V
3
Sense
ATX12V: ATX 12V Power Connector
Pin
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
ATX_POWER: ATX 24-pin Power Connector
Pin
Signal Name
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWRGD
9
+5VSB
10
+12V
11
+12V
12
+3.3V
SPK1: Internal Speaker Header
Pin
Signal Name
1
VCC
2
NC
3
Ground
4
Signal
Function
System Ground
Power +12V
Sensor
Pin
Signal Name
13
+3.3V
14
-12V
15
GND
16
PS_ON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
Installing the Motherboard
11
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