Chapter 2: Installation
2-17
5
Serial Ports (COM1~COM5)
Two COM ports (COM1, COM2) are
located on the motherboard's I/O back
panel. COM3, COM4 and COM5 are
headers and are located near the I-SATA
ports to provide additional onboard serial
ports. See the table on the right for pin
definitions.
Serial Ports COM1~COM5
Pin Definitions
Pin # Definition
Pin # Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
N/A
(Backpanel) COM2
(Backpanel) COM1
COM3 Header
COM4 Header
COM5 Header
1
1
2
Back Panel Connectors
1
3
4
3
4
2
5
2
