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The backplane of the mainboard has the following I/O ports:
PS/2 Mouse
PS/2 Keyboard
LPT1
COM1/2
(COM2 optional)
1394a Port (optional)
Audio Ports
LAN Port (optional)
USB Ports
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Use the upper PS/2 port to connect a PS/2 pointing
device.
Use the lower PS/2 port to connect a PS/2 keyboard.
Use LPT1 to connect printers or other parallel commu-
nications 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 1394a port to connect any Firewire device.
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
microphone.
Connect an RJ-45 jack to the LAN port to connect your
computer to the Network.
Use the USB ports to connect USB devices.
Note: The USB port located below the 1394a
port is shared with the USBCR1 connec-
tor.
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