2-15
Chapter 2: Motherboard information
CAUTION:
Do not forget to connect the fan cable to the fan connector.
Insufficient air flow inside the system may damage the motherboard
components. This is not a jumper! Do not place jumper caps on the fan
connector!
5.
Chassis fan connector (4-pin CHA_FAN1)
Connect the fan cable to the fan connector on the motherboard, ensuring that
the black wire of the cable matches the ground pin of the connector.
EPC-CV1 Series Chassis fan connector
CHA_FAN1
PWM
SENSE
VCC
GND
6.
Internal speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
EPC-CV1 Series Internal speaker connector
+5V
GND
GND
SPKO
SPEAKER
PIN 1