Connecting To The Stereo Line-In Jack; Adjusting Volume - Compaq Armada 110 Hardware Manual

Connecting to the Stereo Line-In Jack

When connecting an external stereo player, such as a CD player,
stereo tuner, or tape deck to the line-in jack:
Input device must have a 3.5-mm stereo plug.
Line input levels of 4.25 volts to 9.5 volts must be supplied,
which meet the line output specifications of most stereo
players.

Adjusting Volume

To increase, decrease, or mute the system volume, use the
Windows volume control window: double-click the volume icon
on the taskbar, then make your adjustment.
Volume can also be adjusted within some applications.
Hardware Guide
Audio
6–3