Fan Headers - Biostar P31-A7 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 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
Pin
1
1
2
3
4
Pin
1
2
3
JSFAN1
3
1
P31-A7
Assignment
Ground
+12V
FAN RPM rate
sense
Smart Fan
Control
Assignment
Ground
+12V
FAN RPM rate
sense
7