ECS H55H-M2

25
Installing the Motherboard
ATX12V4P: ATX 12V Power Connector
SPK: Internal speaker
Pin Signal Name
1 VCC
2 Key
3 NC
4 Signal
Pin Signal Name
4 +12V
3 +12V
2 Ground
1 Ground
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
SYS_FAN/PWR_FAN: Cooling FAN Power Connector