Asus P7H55-M SI - Manual (Page 26)

11. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT
standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
P7H55-M SI
P7H55-M SI Parallel Port Connector
PIN 1
LPT
SLCT PE BUSY ACK# PD
7
PD
6
PD
5
PD
4
PD
3
PD
2
PD
1
PD
0
STB#
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
GN
D
SLIN
#
INIT
#
ERR#
AF
D
12. Serial port connectors (10-1 pin COM2)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM2) is purchased separately.
P7H55-M SI
P7H55-M SI Serial port (COM2) connector
PIN 1
COM2
Chapter 1: Product introduction 1-16