Asus A55BM-PLUS User Manual page 31

10. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
A55BM-PLUS
A55BM-PLUS Serial port (COM) connector
The COM module is purchased separately.
11. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT is
standardized as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
A55BM-PLUS
A55BM-PLUS Parallel Port Connector
ASUS A55BM-PLUS
COM
PIN 1
LPT
1-23