Fan Headers - Biostar P4M900-M4 Setup Manual

2.2 F H
AN 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/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.
Pin
3 1
1
2
3
Pin
1
2
3
3 1
P4M900-M4
Assignment
Ground
+12V
FAN RPM rate
sense
Assignment
Ground
+12V
FAN RPM rate
sense
9