6-4
User's Manual
POWER AND
POWER-UP MODES

Power indicator

Check the Power indicator to determine the power status.
Green Indicates power is being supplied to the computer and the
computer is turned on.
Blinking amber Indicates the power was turned off while the computer was
in Resume mode. The indicator turns on for one second
and turns off for two seconds.
No light Under any other conditions, the indicator does not light.
Battery types
The computer has two types of batteries:
❑Battery – 8 cell or 12 cell depending on the models
❑Real Time Clock (RTC) battery

Battery

When the AC power cord is not connected, the computer’s main power source is a
removable lithium ion battery pack, also referred to in this manual as the battery.
You can purchase additional battery packs for extended use of the computer away
from an AC power source.
CAUTION: The battery pack is a lithium ion battery, which can explode
if not properly replaced, used, handled or disposed of. Dispose of the
battery as required by local ordinances or regulations. Use only
batteries recommended by TOSHIBA as replacements.
The battery recharges the RTC batteries. The battery maintains the state of the
computer when you enable Resume.
CAUTION: When the computer is powered off in Resume mode, and the
AC adaptor in not connected, the battery pack supply power to maintain
data and programs in memory. If the battery pack is completely
discharged, Resume does not function and the computer loses all data in
memory.
The following message appears when you turn on the power:
WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.