ECS P55H-AK, Manual, Page: 32 / 88

26
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
When installing 4-pin power cable, the latch
falls on the left side of the ATX12V connec-
tor.
4-pin power cable
Users please note that the 8-pin and 4-pin power cables can both be con-
nected to the ATX12V connector.
When installing 8-pin power cable, the latches
of power cable and the ATX12V connector
match perfectly.
2. Connecting 8/4-pin power cable
8-pin power cable
CASE_FAN/SYS_FAN: FAN Power Connectors
1
GND
System Ground
3 Sense Sensor
Pin Signal Name Function
2
+12V
Power +12V