DFI 40800950 Computer Hardware User Manual


 
2
24
Hardware Installation
2.7.2 PS/2 Mouse and PS/2 Keyboard Ports
The system board is equipped with an
onboard PS/2 mouse (Green) and PS/2
keyboard (Purple) ports - both at
location J2 of the ATX double deck
ports. The PS/2 mouse port 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 connecting or
disconnecting a mouse or
keyboard. Failure to do so may
damage the system board.
2.7 Ports and Connectors
2.7.1 Serial Ports
The system board is equipped with
onboard serial ports (COM 1: J5 and
COM 2: J7) - both in Teal/Turquoise
color located at the ATX double deck
ports of the board.
These ports are RS-232C asynchronous
communication 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.