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A785G3/A780L3/A780L3G

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.

CPU_FAN1: CPU Fan Header

Assignment

1 Ground

2 +12V

FAN RPM rate

sense

4 Smart Fan

Control (By Fan)

SYS_FAN1: System Fan Header

Assignment

1 Ground

2 +12V

3 FAN RPM rate

sense

Note:

CPU_FAN1 supports 4-pin head connector. 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.

Biostar A785G3 User Manual

Questions and Answers: