Connect Cooling Fans - Biostar A780L3C Setup Manual

2.3 Connect Cooling Fans

These fan headers support cooling-fans built in the computer. The fan cable and
connector may be different according to the fan manufacturer. Connect the fan
cable to the connector while matching the black wire to pin#1.
CPU_FAN1: CPU Fan Header
SYS_FAN1: System Fan Header
Note: CPU_FAN1, SYS_FAN1 support 4-pin and 3-pin head connectors. When
connecting with wires onto connectors, please note that the red wire is the positive and
should be connected to pin#2, and the black wire is Ground and should be connected to
GND.
A780L3C
Pin Assignment
1 Ground
2 +12V
3
FAN RPM rate sense
4 Smart Fan Control
(By Fan)
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
9