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Fan Power Connectors: CPUFAN1/SFAN1
The CPUFAN1(processor fan) and SFAN1 (system fan) support system
cooling fan with +12V. It supports three-pin head connector. 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 advan-
tage of the CPU fan control.
Serial Port Connector: JCOM1 (Optional)
The mainboard offers one serial port. It is 16550A high speed communi-
cation ports that senda/receivea/ 16 bytes FIFOs. You can attach a serial mouse
or other serial device directly to it.
1
2
9
JCOM1
Chapter 2 - Mainboard Hardware
GND
Sensor
+12V
+4.5V ~ +12V
Sensor
GND
CPUFAN1
Pin Definition
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
2-15
SFAN1
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
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