ECS X58B-A, Manual, Page: 29 / 68

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.
ATX_ POWER: ATX 24-pin Power Connector
CPU_FAN/SYS_FAN: FAN Power Connector
1
GND
System Ground
3 Sense Sensor
4 PWM PWM
Pin Signal Name Function
2
+12V
Power +12V
ATX12V: ATX 12V Power Connector
When installing 4-pin power cable, the latch
falls on the left side of the ATX12V connec-
tor.
4-pin power cable
Pin Signal Name
4
Ground
3
Ground
2
Ground
1
Ground
Pin Signal Name
5
+12V
6
+12V
7
+12V
8
+12V
Pin Signal Name Pin Signal Name
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
Ground
15
Ground
4
+5V
16
PS_ON
5
Ground
17
Ground
6
+5V
18
Ground
7
Ground
19
Ground
8
PWRGD
20
-5V
9
+5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
Ground
PWR_FAN/NB_FAN: FAN Power Connector
Pin Signal Name Function
1
GND
System Ground
2
+12V
Power +12V
3 Sense Sensor