Biostar P31-A7 Setup Manual - Page 9

JCFAN1: CPU Fan Header, JSFAN1: System Fan Header

Page 9 highlights

P31-A7 2.2 FAN HEADERS 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 4 Pin Assignment 1 1 Ground 2 +12V 3 FAN RPM rate sense 4 Smart Fan Control JSFAN1: System Fan Header JSFAN1 3 1 Pin Assignment 1 Ground 2 +12V 3 FAN RPM rate sense 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. 7

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P31-A7
7
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
Pin
Assignment
1
Ground
2
+12V
3
FAN RPM rate
sense
1
4
4
Smart Fan
Control
JSFAN1: System Fan Header
Pin
Assignment
1
Ground
2
+12V
JSFAN1
1
3
3
FAN RPM rate
sense
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.