User manual

Chapter 2 Installation
- 18 - EC3-1813CLD2NA(B)
3) Loudspeaker Output Connector (Pitch: 2.54mm)
Pin Signal Name
1 SPEAKER
2 NC
3 GND
FP3
4 +5V
Power Connector
1. The board provides one 2x2pin 12V ATX power connector (Pitch: 4.2mm); the pin
definitions are as follows:
Pin Signal Name
1 GND
2 GND
3 +12V
PWR1
4 +12V
2. SATA Power Connector (Pitch: 2.5mm)
Pin Signal Name
1 +12V
2 GND
3 GND
PWR2
4 +5V
CPU Fan Connector
The board provides one 1x3Pin CPU fan connector (Pitch: 2.54mm).
Pin Signal Name
1 GND
2 +12V
CPUFAN1
3 FAN_IO
Note: FAN_IO: fan speed impulse output.