ECS A790GXM-AD3, Manual

Page: 27 / 72

21
Installing the Motherboard
When installing 8-pin power cable, the latches
of power cable and the ATX12V match per-
fectly.
8-pin power cable
Connecting 8-pin power cable
PWR_FAN/SYS_FAN/NB_FAN: FAN Power Connectors
Pin Signal Name Function
1
GND
System Ground
2
+12V
Power +12V
3
Sense
Sensor
The ATX12V power connector is used to provide power to the CPU.
ATX_POWER: ATX 24-pin Power Connector
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
Ground
15
COM
4
+5V
16
PS_ON
5
Ground
17
COM
6
+5V
18
COM
7
Ground
19
COM
8
PWRGD
20
-5V
9
+5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
COM
Pin Signal Name Pin Signal Name
CPU_FAN: 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