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
denitions.
Serial Ports COM1~COM5
Pin Denitions
Pin # Denition Pin # Denition
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