Fan Headers - Biostar G31-M7 Setup Manual

2.2 FAN H
EADERS
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.
JCFAN1: CPU Fan Header
JSFAN1: System Fan Header
Note:
The JCFAN1 support 4-pin head connector and JSFAN1 support 3-pin head connector.
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.
4
1
Pin Assignment
1 Ground
2 Power
3 FAN RPM rate sense
4 Smart Fan Control
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
1 3
G31-M7 OC
7