ECS X58B-A

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