ECS IC55H-A, Manual, Page: 27 / 70

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