Connecting 8-Pin Power Cable - ECS A790GXM-AD3 Manual

Connecting 8-pin power cable

The ATX12V power connector is used to provide power to the CPU.
8-pin power cable
CPU_FAN: Cooling FAN Power Connector
Pin Signal Name
1
GND
2
+12V
3
Sense
4
PWM
Users please note that the fan connector supports the CPU cooling
fan of 1.1A~2.2A (26.4W max.) at +12V.
ATX_POWER: ATX 24-pin Power Connector
Pin Signal Name
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWRGD
9
+5VSB
10
+12V
11
+12V
12
+3.3V
PWR_FAN/SYS_FAN/NB_FAN: FAN Power Connectors
Pin Signal Name
1
GND
2
+12V
3
Sense
Installing the Motherboard
When installing 8-pin power cable, the latches
of power cable and the ATX12V match per-
fectly.
Function
System Ground
Power +12V
Sensor
CPU FAN control
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
System Ground
Power +12V
Sensor
21