MS-7528 Mainboard
Fan Power Connectors: CPUFAN1, SYSFAN1~2
The fan power connectors support system cooling fan with +12V. When 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
CONTROL SENSOR +12V GND
CPUFAN1
GND +1 2V SENSOR
SYSFAN1
GND +12V SENSOR
SYSFAN2
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.
CINTRU 
GND 1 2
JCI1