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Hardware Installation
2.8.2 PS/2 Mouse and PS/2 Keyboard Ports
The PS/2 mouse por t uses
IRQ12. If a mouse is not
connected to this port, the
system will reserve IRQ12 for
other expansion cards.
Warning:
Make sure to turn off your
computer prior to connect-
ing or disconnecting a
mouse or keyboard. Failure
to do so may damage the
system board.
2.8 Connecting the Ribbon Cables and Wires of
the Ports and Connectors
2.8.1 Serial Ports
The built-in serial por ts are
RS-232C asynchronous com-
munication ports with 16C550A-
compatible UARTs that can be
used with modems, serial printers,
remote display terminals, and
other serial devices. You can set
the serial ports I/O address in
the Integrated Peripherals
submenu of the BIOS.