ECS P55H-A

20
Installing the Motherboard
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
1 DCDB Data carry detect
2 NSINB Serial Data In
3 NSOUTB Serial Data Out
4 DTRB Data terminal ready
5 GND Ground
6 DSRB Date set ready
7 RTSB Request to send
8 CTSB Clear to send
9 RI Ring Indicator
10 Key No pin
Pin Signal Name Function