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The backplane of the mainboard has the following I/O ports:
LAN
PS/2
port
mouse
PS/2
USB
keyboard
ports
PS/2 Mouse
PS/2 Ke yboard
LAN Port
(optional)
USB Ports
LPT1
COM1/2
Game Port
Audio Ports
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Parallel port (LPT1)
Game port
Serial port
Serial port
COM 1
COM 2
Use the upper PS/2 port to connect a PS/2 point-
ing device.
Use the lower PS/2 port to connect a PS/2 key-
board.
Use the LAN port to connect to the network.
Use the USB ports to connect USB devices.
Use LPT1 to connect printers or other parallel
communications devices.
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.
Use the game port to connect a joystick or a
MIDI device.
Use the three audio ports to connect audio de-
vices. 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.
22
Microphone
Line-in
Line-out
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