Motherboard Manual
8
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
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM rate
sense
1
4
4 Smart Fan
Control
JSFAN1: System Fan Header
JNFAN1: Northbridge Fan Header (Optional)
Pin
Assignment
1 Ground
2 +12V
13
JSFAN1
JNFAN1
(Optional)
1
3
3 FAN RPM rate
sense
Note:
The JNFAN1 a nd JSFAN1 s upport 3-pin hea d c onnect or. When c onnecti ng with wir es
ont o co nnec tors, pleas e note th at t he r e d wire is the p ositive a nd s hould be c onnect ed t o
pin# 2, a nd the bl ac k wire is Gro und a nd s hould b e c onnect ed t o GND.
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