3 Peripherals and options40

External input devices

External keyboard

This computer has a keyboard with full-sized keys and an embedded
keypad. If you feel more comfortable using a desktop keyboard, you
can connect an external PS/2-compatible or USB keyboard.
Plug a PS/2 keyboard into the PS/2 port; plug the USB keyboard to an
available USB port. For the location of these ports, see Right view on
page 6.

External keypad

You can also use a 17-key numeric keypad for number-sensitive, data-
entry applications. To connect the keypad, plug the keypad connector
into the PS/2 port or USB port depending on what your device
supports. For the location of these ports, see Right view on page 6.

External pointing device

This computer accepts either a PS/2-compatible or USB mouse or similar
pointing device. To use a PS/2-compatible mouse, simply plug it into
the PS/2 port. If you use a USB mouse, connect it to an available USB
port. For the location of these ports, see Right view on page 6.
TMa550.book Page 40 Wednesday, October 3, 2001 10:57 AM