ECS P55H-A2, User Manual, Page: 29 / 84

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
When installing 4-pin power cable, the latch
falls on the left side of the ATX12V connec-
tor.
Users please note that the 4-pin power cables can be connected to the
ATX12V connector.
2. Connecting 4-pin power cable
SYS_FAN: FAN Power Connectors
1
GND
System Ground
3 Sense Sensor
Pin Signal Name Function
2
+12V
Power +12V
SPK: Intel speaker
1
GND
System Ground
3 Sense Sensor
4 PWM PWM
Pin Signal Name Function
2
+12V
Power +12V
Pin Signal Name
4
Signal
3
Ground
2
Key
1
VCC
4-pin power cable