Toshiba 9100 User Guide

36

Finding Your Way Around
Indicator panel lights

Expansion port—Lets you connect to an expansion device, 
provides additional expansion capability. For more information, 
see 

.

Two sets of indicator lights, the system indicator panel and the 
keyboard indicator lights, display the current state of your system.

This panel is located on the front of the computer.

AC power light—Glows green when the computer is connected 
to an AC power source.

On/off light—Indicates whether the computer is on, off, or in a 
power down mode.

❖

Glows green when the computer is on. 

❖

Flashes amber when you power down the computer using the 
Standby command. 

❖

May flash amber if the computer is overheating. 

Main battery light—Indicates the status of the main battery. 

❖

Flashes amber when you are running on battery power and the 
battery charge is running low.

❖

Does not glow when you are running on battery power and 
the battery charge is not running low.

❖

Glows amber when you are connected to AC power and the 
battery is charging.