Biostar B660MX-E PRO User Manual

Chapter 2: Hardware installaon | 11
B660MX-E PRO I B660MH-E PRO
2.3 Connect Cooling Fans
These fan headers support cooling-fans built in the computer. The fan cable and connector
may be dierent according to the fan manufacturer.
CPU_FAN/ CPU_OPT: CPU Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
4 AI Fan Control
SYS_FAN1: System Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
4 AI Fan Control
Note
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CPU_FAN, CPU_OPT, SYS_FAN1 support 4-pin and 3-pin head connectors. When connecng with
wires onto connectors, please note that the red wire is the posive and should be connected to
pin#2, and the black wire is Ground and should be connected to pin#1(GND).
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CPU Fan Header (CPU_OPT): Support water cooling fan and CPU fan.
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Biostar B660MX-E PRO Specifications

General

Brand	Biostar
Model	B660MX-E PRO
Category	Motherboard
Language	English