HP Compaq Series Hardware And Software Manual page 13

Component ID
Component
6
TouchPad scroll zone*
7
Right pointing stick button
*This table describes default settings. For information about changing the
functions of TouchPad features, refer to the
section in Chapter 3, "Pointing Devices and Keyboard."
1–4
Description
Scrolls upward or downward.
Functions like the right button on an
external mouse.
"Setting Mouse Properties"
Hardware and Software Guide