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4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
IR
2.4.6 COM3/4 Connector
COM3/4 are all 2*5 10-pin connectors, external serial port, standard RS232.
port 3/4 will vary according to JP1's and JP2's setting. JP1 and JP2 allows you to configure the Serial
COM port 3/4 to RS232. Refer to "COM3/COM4 RS232/Power Select" in this chapter for more
information.
Table 2.6: COM3/4 Serial Port Pin Assignments
Pin
1
2
3
4
5
2.4.7 SATA0 (Serial ATA) Connector
There are Serial ATA 3.0 ports with data transfer rate up to 6Gb/s (SATA 0). The Serial ATA connectors
are used to connect Serial ATA devices. Connect one end of the Serial ATA data cable to a SATA
connector and insert the other on-board docking parallelly into another Serial ATA device.
RX-
GND
NC
NC
NC
NC
Figure 2.20 COM3/4Connector
Signal Name
DCD
RxD
TxD
DTR
GND
Pin
Signal Name
6
DSR
7
RTS
8
CTS
9
RI /+5V/+12V
10
NC
18
User's Manual
NC
GND
NC
NC
NC
NC
The pin functions of COM
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