MSI 661FM3-L User Manual - Page 25
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M S-7082 M ainboard
Fan Power Connectors: CPUFAN1 & CHSFAN1
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
control.
Important
1. Please refer to the recommended CPU fans at Intel
consult the vendors for proper CPU cooling fan.
2. Always consult the vendors for proper CPU cooling fan.
3. CPUFAN1 supports the fan control. You can install the PC Alert utility that
will automatically control the CPU fan speed according to the actual CPU
temperature.
Serial Port Connector: JCOM1
The mainboard offers one serial port JCOM1. It is 16550A high speed communication
ports that senda/receivea/ 16 bytes FIFOs. You can attach a serial mouse or other
serial device directly to it.
9
1
10
2
JCOM1
2-12
GND
+12V
Sensor
GPIO
CPUFAN1
CHSFAN1
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
SENSOR
+12V
GND
®
official website or
Pin Definition
DESCRIPTION
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data T erminal Ready)
Ground
Data Set Ready
Request T o Send
Clear To Send
Ring Indicate