MSI G31M3-F - Motherboard - Micro ATX User Manual page 28

M S-7528 M ainboard
Fan Power Connectors: CPUFAN1, SYSFAN1~2
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.
CONTROL
SENSOR
+1 2V
GND
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 / SYSFAN2 supports fan control. You can adjust fan
speed in H/W Monitor menu of BIOS and install Dual Core Center utility
that will automatically control the CPU fan speed according to the actual
CPU temperature.
3. Fan cooler set with 3 or 4 pins power connector are both available for
CPUFAN.
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.
2-14
SYSFAN1
GND
CINTRU
1 2
JCI1
GND
+1 2V
SENSOR
SYSFAN2