Asus P5N-EM HDMI - Manual (Page 46)

1-34 Chapter 1: Product introduction
12. 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.
P5N-EMHDM
I
P5N-EM HDMI COM Port Connector
R
PIN1
COM1
13. 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.
P5N-EMHDM
I
R
P5N-EM HDMI Parallel Port Connector
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