T41-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
JNFAN1: NorthBridge Fan Header
JSFAN1: System Fan Header
Pin
Assignment
1 Ground
2 +12V
JN FAN 1
1
3
JSFAN 1
3
FAN RPM rate
sense
Note:
The JNFAN1/JSFAN1 supports 3-pin head connectors; the JCFAN1 supports 4-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.