KM400A Series
13
Serial and Parallel Interface Ports
The mainboard comes equipped with one serial port, one parallel port and one VGA port on the back
panel. These interface ports will be explained below.
Parallel Interface Port: PRT
The parallel port on your system has a 25-pin, DB25 connector and is used to interface with parallel
printers and other devices using a parallel interface.
The Serial Interface: COM1
The serial interface port is sometimes referred to as an RS-232 port or an asynchronous
communication port. Mice, modems and other peripheral devices can be connected to a serial port.
Video Graphics Array Conn.: VGA
The KM400A Series has built in video facilities. Your monitor attaches directly to the VGA
connector on this mainboard.
Audio Port Connectors
Speaker Out
is used to connect to speakers or
headphones. If the Super 5.1 driver is enabled the
Speaker Out becomes the Front Speaker.
Line In
can be connected to an external CD player,
Tape player or other audio devices for audio input.
If the Super 5.1 driver is enabled Line In becomes
the Rear Speaker.
Mic In
is used to connect to a microphone. If the
Super 5.1 driver is enabled the Mic In becomes the
Subwoofer/ Center out.
This mainboard supports Super 5.1 Channel Audio effects which turns
your standard Speaker Out, Lin In, Mic In audio connectors into a 6
channel audio system. See Appendix I for more information.
Printer Port
COM1
VGA
Speaker-out
(Front Speaker out)
Line-in
(Rear Speaker out)
Mic-in
(Subwoofer/Center out)
