ECS HDC-M

19
Installing the Motherboard
ATX_POWER: 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 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
Users please note that the fan connector supports the CPU cooling fan of
1.1A ~ 2.2A (26.4W max) at +12V.
CPU_FAN: CPU Cooling FAN Power Connector
1 GND System Ground
3 Sense Sensor
4 Control CPU FAN control
Pin Signal Name Function
2 +12V Power +12V
SPK: Internal speaker header
Pin Signal Name
1 VCC
2 Key
3 NC
4 Signal
SYS_FAN: System Cooling FAN Power Connector
Pin Signal Name Function
1 GND System Ground
2
+12V Power +12V
3 Sense Sensor