Biostar A55MD2 Owner's Manual download pdf (Page 9)

A55MD2 / A55MG2 / A55ML2

7

2.3 Connect Cooling Fans

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

Pin Assignment

1 Ground

2 +12V

3

FAN RPM rate sense

4 Smart Fan Control

(By Fan)

SYS_FAN1: System Fan Header

Pin Assignment

1 Ground

2 +12V

3

FAN RPM rate sense

Note: CPU_FAN1, SYS_FAN1 support 4-pin and 3-pin head connectors. 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.

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