ECS A75F-M User Manual page 28

24
Connecting 4-pin power cable
The ATX12V4P power connector is used to provide power to the CPU.
4-pin power cable
CPU_FAN: Cooling FAN Power Connector
Pin
1
2
3
4
ATX_POWER: ATX 24-pin Power Connector
Pin
1
2
3
4
5
6
7
8
9
10
11
12
SYS_FAN: FAN Power Connector
Pin
1
2
3
Signal Name
GND System Ground
+12V Power +12V
Sense Sensor
PWM CPU FAN control
Users please note that the fan connector supports the CPU cooling
fan of 1.1A~2.2A (26.4W max.) at +12V.
Signal Name
+3.3V
+3.3V
Ground
+5V
Ground
+5V
Ground
PWRGD
+5VSB
+12V
+12V
+3.3V
Signal Name
System Ground
GND
Power +12V
+12V
Sense Sensor
Installing the Motherboard
When installing 4-pin power cable, the
latches of power cable and the ATX12V4P
match perfectly.
Function
Pin Signal Name
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
-5V
21
+5V
22
+5V
23
+5V
24
COM
Function