A770 A2G+
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.
CPUFAN: CPU Fan Header
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM rate
sense
1
4
4 Smart
Fan
Control (By Fan)
SYSFAN: System Fan Headers
Pin Assignment
1 Ground
2 +12V
1
3
3
FAN RPM rate
sense
Note:
The CPUFAN and SYSFAN support 4-pin and 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.