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The backplane of the mainboard has the following I/O ports:
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.
LPT1 Use LPT1 to connect printers or other parallel communi-
cations devices.
COM1 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.
Audio Ports Use the three audio ports to connect audio devices. The
first jack is for stereo line-in signal. The second jack is
for stereo line-out signal. The third jack is for micro-
phone.
LAN Port Connect an RJ-45 jack to the LAN port to connect your
computer to the Network.
USB Ports
Use the USB ports to connect USB devices.
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