Fan Headers - Biostar G41U3G Setup Manual

2.2 FAN H
EADERS
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
SYS_FAN1: System Fan Header
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.
Pin Assignment
1 Ground
2 Power
1 4
3 FAN RPM rate sense
4 Smart Fan Control
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
3
1
G41U3G
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