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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.
CPU_FAN1: CPU Fan Header
SYS_FAN1: System Fan Header
Note:
The CPU_FAN1 supports 4-pin head connector. The SYS_FAN1 supports 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.
A780GE/A760GE/A785GE
1
4
Pin
1
2
3
FAN RPM rate
sense
4
Pin
1
2
3
1
3
Assignment
Ground
+12V
Smart Fan
Control (By Fan)
Assignment
Ground
+12V
FAN RPM rate
sense
7
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