ECS A790GXM-A

26
Installing the Motherboard
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.
Connecting 8/4-pin power cable
8-pin power cable
CPU_FAN1: Cooling FAN Power Connector
Users please note that the fan connector supports the CPU cooling
fan of 1.1A~2.2A (26.4W max.) at +12V.
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
4 PWM CPU FAN control
Function
Pin Signal Name
PWR_FAN1/SYS_FAN1: FAN Power Connectors
Pin Signal Name Function
1 GND System Ground
2
+12V Power +12V
3 Sense Sensor