~ 18 ~
COM Header
The Serial port header (COM1, 2.00mm pitch) can provide one serial port via an
optional COM port cable.
SPI Header
The SPI header (1.27mm pitch) is for SPI signal interface.
Fan Header
There is a fan header (1.25mm pitch) on the motherboard. It can connect CPU
Fan or Memory Module Fan for cooling. This fan can be speed
detected/controlled and displayed in the Hardware Monitor section of the
CMOS Setup. The fan is automatically turned off after the system enters S3, S4
or S5 mode.
Pin
Definition
Pin
Definition
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI#
10
Empty
Pin
Definition
Pin
Definition
1
CS
2
VDD
3
SO
4
SOLD
5
WP
6
CLK
7
VSS
8
SI
Pin
Definition
1
Sense
2
GND
3
Control
4
+5V
1
2
Note:
The pin definition of header and standard DB9 male pin out
is different.
1
2
9
10
7
8