Power connector
USB connector
Serial connector
External monitor
connector
Docking connector
Parallel connector
Keyboard/Mouse
connector
Connects to an AC adapter when the
battery or charge battery are not
operating.
Allows connection to Universal Serial
Bus (USB) devices, such as a
keyboard or mouse, or to a camera
for video conferencing.
Connects an optional external serial
device such as a mouse or printer.
Connects an optional external
display, such as an external CRT
monitor.
A 176-pin expansion bus connector
that connects the computer to the
optional port replicator.
Connects an optional parallel device
such as a printer.
Connects an external mouse or
keyboard.