MSI G31M2 Series User Manual page 32

Fan Power Connectors: CPUFAN1, SYSFAN1, SYSFAN2
The fan power connectors support system cooling fan with +12V. W hen connecting
the wire to the connectors, always note that the red wire is the positive and should
be connected to the +12V; the black wire is Ground and should be connected to GND.
If the mainboard has a System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of the CPU fan control.
GND
+12V
SENSOR
Control
CPUFAN1
Important
1. Please refer to the recommended CPU fans at processor's official website
or consult the vendors for proper CPU cooling fan.
2. CPUFAN1/SYSFAN1 supports fan control. You can install Dual Core Cen-
ter utility that will automatically control the CPU fan speed according to the
actual CPU/System temperature.
3. Fan cooler set with 3 or 4 pins power connector are both available for
CPUFAN/SYSFAN.
Chassis Intrusion Connector: JCI1
This connector connects to the chassis intrusion switch cable. If the chassis is
opened, the chassis intrusion mechanism will be activated. The system will record
this status and show a warning message on the screen. To clear the warning, you
must enter the BIOS utility and clear the record.
CONTROL
SENSOR
+1 2V
GND
SYSFAN1
(for V1.X)
2
GND
1
CINTRU
JCI1
Hardware Setup
SENSOR
+1 2V
GND
SYSFAN2
SYSFAN1
(for V2.X)
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