Asus P5QL-EM - Manual (Page 49)

ASUS P5QL-EM 1-37
11. Serial port connectors (10-1 pin COM1)
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 (COM1) is purchased separately.
12. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a
printer. LPT standardizes as IEEE 1394, which is the parallel port interface on
IBM PC-compatible computers.
P5QL-EM COM Port Connector
P5QL-EM
R
PI
N
1
COM1
P5QL-EM Parallel Port Connector
P5QL-EM
R
LPT
STB# AFD
PD0 ERR#
PD1 INIT#
PD2 SLIN#
PD3 GND
PD4
1
GND
PD7
PD6
PD5
GND
GND
GND
ACK# GND
BUSY
PE
SLCT
GND
GND