HP compaq Hardware Manual page 21

Pointing Devices and Keyboard
Pointing Device Components
Item Component
1
Pointing stick
2
Left and right pointing
stick button
3
TouchPad
4
Left and right TouchPad
buttons
2–2
Description
Moves the pointer and selects or
activates items on the screen.
Functions like the left and right buttons
on an external mouse.
Moves the pointer and selects or
activates items on the screen. Can be
set to perform other mouse functions,
such as scrolling, selecting, and
double-clicking.
Functions like the left and right buttons
on an external mouse.
Hardware Guide