ECS RS400-A - ATX 12 V Power Connector; FAN Power Connectors

11
Installing the Motherboard
CPU_FAN: FAN Power Connectors
ATX12V: ATX 12V Power Connector
Pin Signal Name
4 +12V
3 +12V
2 Ground
1 Ground
SYS_FAN/PWR_FAN: FAN Power Connectors
Pin Signal Name Function
1 GND System Ground
2
+12V Power +12V
3 Sense Sensor
ATX_PWR: ATX 24-pin Power Connector
Pin Signal Name Pin Signal Name
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 Ground 15 GND
4 +5V 16 PS_ON
5 Ground 17 GND
6 +5V 18 GND
7 Ground 19 GND
8 PWRGD 20 -5V
9 +5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 GND
Pin Signal Name Function
1 GND System Ground
2
+12V Power +12V
3 Sense Sensor
4 PWM CPU FAN control
Users please note that the fan connector supports the CPU cooling
fan of 1.1A~2.2A (26.4W max) at +12V.
SPK1: Internal speaker
Pin Signal Name
1 VCC
2 NC
3 NC
4 Signal