MSI 945GM3-F User Guide - Page 30

Fan Power Connectors: CPUFAN1, SYSFAN1, PWRFAN1, Chassis Intrusion Switch Connector: JCI1 - cpu support

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Page 30 highlights

MS-7267 Mainboard Fan Power Connectors: CPUFAN1, SYSFAN1, PWRFAN1 The fan power connectors support system cooling fan with +12V. W hen connecting the wire to the connectors, always take 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 c on tr ol . CONTROL SE NS OR +1 2V GND CPUFAN1 GND +12V SENSOR SYSFAN1 GND +12V SENSOR PWRFAN1 Important Please refer to the recommended CPU fans at Intel® official website or consult the vendors for proper CPU cooling fan. Chassis Intrusion Switch Connector: JCI1 This connector connects to a 2-pin chassis switch. If the chassis is opened, the switch will be short. 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. JCI1 GND CINTRU 1 2-14

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MS-7267 Mainboard
2-14
Fan Power Connectors: CPUFAN1, SYSFAN1, PWRFAN1
The fan power connectors support system cooling fan with +12V. When connecting
the wire to the connectors, always take 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.
SYSFAN1
SENSOR
+12V
GND
+12V
GND
SENSOR
PWRFAN1
Important
Please refer to the recommended CPU fans at Intel
®
official website or consult
the vendors for proper CPU cooling fan.
CPUFAN1
SENSOR
+12V
GND
CONTROL
Chassis Intrusion Switch Connector: JCI1
This connector connects to a 2-pin chassis switch. If the chassis is opened, the
switch will be short. The system will record this status and show a warning mes-
sage on the screen. To clear the warning, you must enter the BIOS utility and clear the
record.
JCI1
CINTRU
GND
1