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The backplane of the mainboard has the following I/O ports:
PS/2
mouse
PS/2
keyboard
USB
ports
Parallel port (LPT1)
Serial port
COM 1
Serial port
COM 2
Line-in
Game port
Microphone
Line-out
LAN
port
PS/2 Mouse
Use the upper PS/2 port to connect a
PS/2 pointing device.
PS/2 Keyboard
Use the lower PS/2 port to connect a
PS/2 keyboard.
LAN Port
(optional)
Use the LAN port to connect to the
network.
USB Ports
Use the USB ports to connect USB
devices.
LPT1
Use LPT1 to connect printers or other
parallel communications devices.
COM1/2
Use the COM ports to connect serial
devices such as mice or fax/modems.
COM1 is identified by the system as
COM1/3. COM2 is identified by the
system as COM2/4.
Game Port
Use the game port to connect a joy-
stick or a MIDI device.
Audio Ports
Use the three audio ports to connect
audio devices. The left side jack is for
a stereo line-out signal. The middle
jack is for a stereo line-in signal. The
right side jack is for a microphone.