Connectors; Fan Power Connectors: Cpu_Fan/System_Fan - MSI 865GVM Manual

The mainboard provides connectors to connect to FDD, IDE HDD, case,
modem, LAN, USB Ports, IR module and CPU/System/Power Supply FAN.
Floppy Disk Drive Connector: FDD1
The mainboard provides a standard floppy disk drive connector that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types.

Fan Power Connectors: CPU_FAN/SYSTEM_FAN

The CPU_FAN (processor fan), SYSTEM_FAN1 (system fan) support
system cooling fan with +12V. It supports three-pin head connector. 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 Moni-
tor chipset on-board, you must use a specially designed fan with speed sensor
to take advantage of the CPU fan control.
MSI Reminds You...
Always consult the vendors for proper CPU cooling fan.

Connectors

FDD1
SENSOR
+12V
GND
SYSTEM_FAN CPU_FAN
Hardware Setup
GND
+12V
SENSOR
2-15