A75MH / A55MH
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.
CPU_FAN1: CPU Fan Header
4
1
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM rate
sense
4 Smart
Fan
Control (By Fan)
SYS_FAN1: System Fan Header
1
3
Pin
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.