faytech Industrial Motherboard Series - Manual (Page 23)

5.
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.
Chassis fan connector (4-pin CHA_FAN1)
CHA_FAN1
PWMSENSEVCCGND
faytech Industrial Motherboard Series Chassis fan connector
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!
6.
The 4-pin connector is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
SPEAKER
PIN 1
Internal speaker connector (4-pin SPEAKER)
+5V
GND
GND
SPKO
faytech Industrial Motherboard Series Internal speaker connector
Chapter 2: Motherboard information 2-15