G41U3G
7
2.2 FAN HEADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different due to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
CPU_FAN1: CPU Fan Header
Pin
Assignment
1 Ground
2 Power
3 FAN RPM rate sense
41
4 Smart Fan Control
SYS_FAN1: System Fan Header
Pin
Assignment
1 Ground
2 +12V
1
3
3 FAN RPM rate sense
Note:
CPU_FAN1 supports 4-pin head connector; SYS_FAN1, 3-pin head one. 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.
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